Q.26:- The turbine suitable for low heads and high flow rates is ?
- Pelton Wheel
- All of these
Ans:- (c) Keplan
Q.27:- The instrument used to measure external and internal diameter of shafts thickness of parts and depth of holes is ?
- Inside Micrometer
- Outside Micrometer
- Vernier Calipers
- Slip Gauge
Ans:- (c) Vernier Calipers
Q.28:- Processing time is least in a ………… computer ?
- 16 bit
- 32 bit
- 8 bit
- 64 bit
Ans:- (d) 64 bit
Q.29:- Which number is similar to the numbers 13, 7 and 11 ?
Ans:- (b) 17
Q.30:- In human body which of the following is the largest in size ?
Ans:- (b) Liver
Q.31:- Functional activities of a cell are controlled by ?
Ans:- (b) Nucleolus
Q.32:- Find the last term in the given series
1, 8, 27, 64, 125, 216, 343, …….. ?
Ans:- (d) 512
Q.33:- In a perfectly elastic collision ?
- Linear momentum and K.E. both are conserved
- Only momentum is conserved
- Only K.E. is conserved
- None of them is conserved
Ans:- (a) Linear momentum and K.E. both are conserved
Q.34:- A body is thrown up with an initial velocity u and covers a maximum height of h then h is equal to ?
- None of these
Ans:- (a) u2/2g
Q.35:- Centre of buoyancy always ?
- Coincides with the centre of gravity
- Coincides with the centroid of the volume of the fluid displaced
- Remains above the centre of gravity
- Remains below the centre of gravity
Ans:- (b) Coincides with the centroid of the volume of the fluid displaced
Q.36:- Which set of two rivers form the world’s largest delta before their water flows into the respective seas ?
Ans:- (a) Ganga-Brahmaputra
Q.37:- The term RADAR stands for ?
- Radio direction and reflection
- Radio detection and ranging
- Radio waves dispatching and receiving
- Random dispatching and receiving
Ans:- (b) Radio detection and ranging
Q.38:- If M men can complete a job in H hours then in how many hours will 5 men complete this job ?
Ans:- (a) MH/5
Q.39:- Compression ratio of diesel engines normally have the range ?
- 8 to 10
- 10 to 15
- 16 to 20
- 80 to 90
Ans:- (a) 8 to 10
Q.40:- A transistor has an emitter current of 8 Ma and A of 0.99. Which of the following could be collector current ?
- 7.92 Ma
- 5.00 Ma
- 8.1 Ma
- 7.84 Ma
Ans:- (a) 7.92 Ma
Q.41:- In a safety fuse the temperature to which the wire gets heated is directly proportional to the ?
- Square of the current
- Fourth power of the current
- Cube of the current
- None of the above
Ans:- (c) Cube of the current
Q.42:- If the volume of voids is equal to the volume of solids in a soil mass then the values of porosity and voids ratio respectively are ?
- 1.0 and 0.0
- 0.0 and 1.0
- 0.5 and 1.0
- 1.0 and 0.5
Ans:- (b) 0.0 and 1.0
Q.43:- Gypsum is a ?
- Mechanically formed sedimentary rock ?
- Igneous rock
- Chemically precipitated sedimentary rock
- Metamorphic rock
Ans:- (c) Chemically precipitated sedimentary rock
Q.44:- A satellite that revolves around the equator 36000 km from earth’s centre is called ?
Ans:- (b) Geostationary
Q.45:- A semi conductor Read Only Memory basically is ?
- A set of flip flop memory elements
- A combinational logic circuit
- A sequential circuit with flip flops and gates
- None of the above
Ans:- (b) A combinational logic circuit
Q.46:- The atomic number of an element is determined by ?
- The number of electrons in one atom
- The number of neutrons in one atom
- The valency of the element
- The number of protons in one atom
Ans:- (a) The number of electrons in one atom
Q.47:- Hard copy means ?
- Output on tape
- Output on Hard Disk
- Output on printer
- Details of Hardware
Ans:- (c) Output on printer
Q.48:- For thyristors pulse triggering is preferred to dc triggering because ?
- Gate dissipation is low
- Pulse system is simpler
- Triggering signal is required for short duration
- All of the above
Ans:- (d) All of the above
Q.49:- 140 litres of acid contains 90% acid and rest water. The amount of water added to make the water 12.5% of the resulting mixture is ?
- 5 Litres
- 4 Litres
- 3 Litres
- 10 Litres
Ans:- (b) 4 Litres
Q.50:- By selling a shirt for Rs. 450 a man loses 25%. At what price will he sell the shirt in order to gain 50% ?
- Rs. 600
- Rs. 750
- Rs. 900
- Rs. 1000
Ans:- (c) Rs. 900