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Steam Nozzles and Turbines – Section 2
1. A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the…
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Steam Nozzles and Turbines – Section 1
1. A nozzle is said to be a convergent nozzle A. when the cross-section of the nozzle increases…
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IC Engines and Nuclear Power Plants – Section 2
1. If V1 is the jet velocity and V0 is the vehicle velocity, then propulsive efficiency of a turbo-jet engine is 2.…
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IC Engines and Nuclear Power Plants – Section 1
1. The reference fuels for knock rating of spark ignition engines would include A. iso-octane and alpha-methyl naphthalene…
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Production Engineering – Section 2
1. The example of snag grinding is A. trimming the surface left by sprues and risers on castings…
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Production Engineering – Section 1
1. Segmental chips are formed during machining A. mild steel B. cast iron C. high-speed steel D. high…
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Heat Transfer, Refrigeration and Air Conditioning – Section 2
1. The centrifugal compressors are generally used for refrigerants that require A. small displacements and low condensing pressures…
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Heat Transfer, Refrigeration and Air Conditioning – Section 1
1. The wet bulb temperature during sensible heating of the air A. remains constant B. increases C. decreases…
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Hydraulics and Fluid Mechanics – Section 2
1. A compound pipe of diameter d1, d2 and d3 having lengths l1, l2 and l3 is to be replaced by an equivalent pipe of uniform diameter d and of…
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Hydraulics and Fluid Mechanics – Section 1
1. One liter of water occupies a volume of A. 100 cm3 B. 250 cm3 C. 500 cm3 D. 1000 cm3 2.…