SSC JE Mock Test 5 - Online MCQ Exam

Piezometer is used to measure_____________________?

1 Mark(s)

Your Answer:

pressure in pipe, channels etc. pressure in pipe, channels etc.
atmospheric pressure atmospheric pressure
very low pressures very low pressures
difference of pressure between two points
flow flow

In a nozzle, whole frictional loss is assumed to occur between

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Your Answer:

Inlet and throat Inlet and throat
Inlet and outlet Inlet and outlet
Throat and exit Throat and exit
All of these All of these

A cycle consisting of two adiabatics and two constant pressure processes is known as___________________?

1 Mark(s)

Your Answer:

Otto cycle Otto cycle
Ericsson cycle Ericsson cycle
Joule cycle Joule cycle
Stirling cycle Stirling cycle

In Intrumental landing system, the middle markers are located___________________?

1 Mark(s)

Your Answer:

along the extended centre line of runway end
about 1 km. ahead of the runway threshold
at the runway threshold at the runway threshold
about 7 km. ahead of the runway threshold

The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is____________________?

1 Mark(s)

Your Answer:

2.4 m 2.4 m
3.0 m 3.0 m
4.0 m 4.0 m
”2.5 m ”2.5 m
5.0 m 5.0 m

Series capacitors on transmission lines are of little use when the load VAR requirement is

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Your Answer:

Large Large
Small Small
Fluctuating Fluctuating
Any of the above Any of the above

First class timber has an average life of_____________?

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Your Answer:

less than one year less than one year
1 to 5 years 1 to 5 years
5 to 10 years 5 to 10 years
more than 10 years more than 10 years

As the number of cylinders in multi-cylinder engine increases, the power to weight ratio_______________?

1 Mark(s)

Your Answer:

Decreases Decreases
Increases Increases
Remains same Remains same
Decreases upto a limit and then increases

Sewerage system is usually designed for

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Your Answer:

10 years 10 years
25 years 25 years
50 years 50 years
75 years 75 years

The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as__________________?

1 Mark(s)

Your Answer:

one dimensional flow one dimensional flow
uniform flow uniform flow
steady flow steady flow
turbulent flow turbulent flow
streamline flow streamline flow

Oldham’s coupling is the ____________________?

1 Mark(s)

Your Answer:

second inversion of double slider crank chain
third inversion of double slider crank chain
second inversion of single slider crank chain
third inversion of slider crank chain third inversion of slider crank chain

Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other water qualities_________________?

1 Mark(s)

Your Answer:

Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false A is true but R is false
A is false but R is true A is false but R is true

Ground water is usually free from________________?

1 Mark(s)

Your Answer:

suspended impurities suspended impurities
dissolved impurities dissolved impurities
both suspended and dissolved impuri¬ties
none of the above none of the above

The overall isothermal eiffciency of compressor is defined as the ratio of_______________?

1 Mark(s)

Your Answer:

isothermal h.p. to the BHP of motor isothermal h.p. to the BHP of motor
isothermal h.p. to adiabatic h.p. isothermal h.p. to adiabatic h.p.
power to drive compressor to isothermal h.p.
work to compress air isothermally to work for actual compression
isothermal work to ideal work isothermal work to ideal work

If holding current of a thyristor is 2 mA then latching current should be_____?

1 Mark(s)

Your Answer:

0.01 A. 0.01 A.
0.002 A. 0.002 A.
0.009 A. 0.009 A.
0.004 A. 0.004 A.

The calorific value of gaseous fuels is expressed in terms of

1 Mark(s)

Your Answer:

kcal kcal
kcal/kg kcal/kg
kcal/m2 kcal/m2
kcal/m3 kcal/m3

Resonance is a condition in a series RLC circuit in which the capacitive and inductive reactances are equal in magnitude.

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Your Answer:

True True
False False

Creep in concrete structure increases with:

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Your Answer:

Increase in humidity Increase in humidity
Increase in water Increase in water
Decrease in temperature Decrease in temperature
Decrease in humidity Decrease in humidity

One of the criteria for the effecvve width of flange of T-beam is bf =—+ bw +6Df 6 In above formula, l0 signifies_______________?

1 Mark(s)

Your Answer:

effective span of T-beam effective span of T-beam
distance between points of zero moments in the beam
distance between points of maximum moments in the beam
clear span of the T-beam clear span of the T-beam

A diesel engine as compared to petrol engine (both running ar rated load) is ____________________?

1 Mark(s)

Your Answer:

more efficient more efficient
less efficient less efficient
equally efficient equally efficient
unperdictable unperdictable

The instrument used for accurate centering in plane table survey is________________?

1 Mark(s)

Your Answer:

spirit level spirit level
alidade alidade
plumbing fork plumbing fork
trough compass trough compass

If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is_______________?

1 Mark(s)

Your Answer:

D = 0.0775 a D = 0.0775 a
D = 0.775 a D = 0.775 a
D = 0.775 a D = 0.775 a
D = 0.775 a2 D = 0.775 a2

High tension cables are generally used up to

1 Mark(s)

Your Answer:

11 kV 11 kV
33 kV 33 kV
66 kV 66 kV
132 kV 132 kV

Which of following is normally ON device?

1 Mark(s)

Your Answer:

SIT SIT
BJT BJT
TRIAC TRIAC
IGBT IGBT

S1: In multimode fiber optics, intensity modulating schemes can be employed. S2: Schemes using polarizing techniques need birefringent fiber.

1 Mark(s)

Your Answer:

S1 is true and S2 is false S1 is true and S2 is false
Both S1 and S2 are true Both S1 and S2 are true
S1 is false and S2 is true S1 is false and S2 is true
Both S1 and S2 are false Both S1 and S2 are false

Polar moment of inertia (IP) of ac disc is to ht determined by suspen by a wire and noting the frequei oscillations (f) ?

1 Mark(s)

Your Answer:

Ipocf Ipocf
Ipocf Ipocf
Ip oc j Ip oc j
Ipoc- Ipoc-

__________ industry has the least power consumption per ton of product?

1 Mark(s)

Your Answer:

Soap Soap
Sugar Sugar
Vegetable oil Vegetable oil
Caustic soda Caustic soda

If the capacitor in an integrator becomes leaky.

1 Mark(s)

Your Answer:

The time constant will be effectively reduced
The wave-shape of the output voltage across C is altered
The amplitude of the output is reduced The amplitude of the output is reduced
All of the above All of the above

In oilness bearings

1 Mark(s)

Your Answer:

The oil film pressure is generated only by the rotation of the journal
The oil film is maintained by supplying oil under pressure
Do not require external supply of lubricant
Grease required to be applied after some intervals

Hot rolled sheets have ______ value of permeability

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Your Answer:

zero zero
low low
high high
none of the above none of the above

The termal efficiency of a petrol engine at design load is around_________________?

1 Mark(s)

Your Answer:

90% 90%
50% 50%
40% 40%
30% 30%
15%. 15%.

Metacentre is the point of intersection of _________________________?

1 Mark(s)

Your Answer:

vertical upward force through e.g. of body and center line of body
buoyant force and the center line of body
mid point between e.g. and center of buoyancy
all of the above all of the above
none of the above none of the above

In reinforced concrete footing on soil, the minimum thickness at edge should not be less than

1 Mark(s)

Your Answer:

100 mm 100 mm
150 mm 150 mm
200 mm 200 mm
250 mm 250 mm

All the terms of energy in Bernoulli’s equation have dimension of_______________?

1 Mark(s)

Your Answer:

energy energy
work work
mass mass
length length
time time

Typewriter constitutes__________________?

1 Mark(s)

Your Answer:

machine machine
structure structure
mechanism mechanism
inversion inversion

The technique for establishing and maintaining priorities among the various jobs of any project is known as___________________?

1 Mark(s)

Your Answer:

event flow scheduling technique event flow scheduling technique
critical ratio scheduling critical ratio scheduling
slotting technique for scheduling slotting technique for scheduling
short interval scheduling short interval scheduling

The equation of motion for a single degree of freedom system with viscous damping is $$4\frac{{{{\text{d}}^2}{\text{x}}}}{{{\text{d}}{{\text{t}}^2}}} + 9\frac{{{\text{dx}}}}{{{\text{dt}}}} + 16{\text{x}} = 0.$$ The damping ratio of the system is

1 Mark(s)

Your Answer:

$$\frac{9}{8}$$ $$\frac{9}{8}$$
$$\frac{9}{{8\sqrt 2 }}$$ $$\frac{9}{{8\sqrt 2 }}$$
$$\frac{9}{{16}}$$ $$\frac{9}{{16}}$$
$$\frac{9}{{128}}$$ $$\frac{9}{{128}}$$

The fineness modulus of fine aggregate is in the range of______________?

1 Mark(s)

Your Answer:

2.0 to 3.5 2.0 to 3.5
3.5 to 5.0 3.5 to 5.0
5.0 to 7.0 5.0 to 7.0
6.0 to 8.5 6.0 to 8.5

The friction present between the steam and the nozzle surfaces reduces the heat drop by

1 Mark(s)

Your Answer:

10 to 15% 10 to 15%
15 to 25% 15 to 25%
25 to 40% 25 to 40%
40 to 60% 40 to 60%

The materil used to coat inside the face of CRT is ___________.

1 Mark(s)

Your Answer:

Carbon Carbon
Sulphur Sulphur
Silicon Silicon
Phosphorous Phosphorous

A shaft subjected to a bending moment M and a torque T, experiences__________________?

1 Mark(s)

Your Answer:

Maximum bending stress = 32M d3 Maximum bending stress = 32M d3
Maximum shear stress = 16 T d3 Maximum shear stress = 16 T d3
Both A. and B. Both A. and B.
Neither A. nor B. Neither A. nor B.

An electrometer amplifier has high input impedance of

1 Mark(s)

Your Answer:

1010Ω 1010Ω
1012Ω 1012Ω
1020Ω 1020Ω
1014Ω 1014Ω

When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is

1 Mark(s)

Your Answer:

Bending stress only Bending stress only
A combination of torsional shear stress and bending
Direct shear stress only Direct shear stress only
A combination of bending stress and direct shear stress

Copper, even though costly, finds use in the windings of electrical machines because

1 Mark(s)

Your Answer:

Copper points offer low contact resistance
Copper can be easily soldered and welded
Copper windings are less bulky and the machines become compact
All of the above All of the above

The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively:

1 Mark(s)

Your Answer:

15, 75, 10 15, 75, 10
75, 10, 15 75, 10, 15
10, 15, 75 10, 15, 75
10, 75, 15 10, 75, 15

The fast breeder reactor uses the following moderator

1 Mark(s)

Your Answer:

Demineralised water Demineralised water
Carbon dioxide Carbon dioxide
Heavy water Heavy water
No moderator is used No moderator is used

Which is correct statement about reaction time for autoignition of fuel and the fuel air ratio__________________?

1 Mark(s)

Your Answer:

lean mixture has high reaction time lean mixture has high reaction time
rich mixture has high reaction time rich mixture has high reaction time
chemically correct mixture has mini-mum reaction time
all of the above all of the above
non of the above non of the above

The tendency of a liquid surface to contract is due to the following property_____________?

1 Mark(s)

Your Answer:

cohesion cohesion
adhesion adhesion
viscosity viscosity
surface tension surface tension
elasticity elasticity

Evaluating Your Answers

SSC JE Mock Test 5 : Question 1 of 48