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IPRC Technical Assistant Mechanical Paper 2016
| 1 | A reversible heat engine operates between 300K and 600K. If heat output is 200KJ, the heat input is
(a) 100 KJ (b) 300 KJ (c) 600 KJ (d) 400 KJ |
| 2 | Bernoullis’ theorem applies to _____ flow.
(a) imcompressible (b) steady (c) non-viscous (d) all of the combined |
| 3 | Tensile stress in thin spherical shell subjected to internal pressure is
(a) pd/4t (b) pd/2t (c) pd/8t (d) pd/3t |
| 4 | Cavitation in a pump is associated with _____ pressure
(a) atmospheric (b) critical (c) vapour (d) None of these |
| 5 | Petrol engine works on
(a) Carnot cycle (b) Rankine cycle (c) Otto cycle (d) Joule cycle |
| 6 | Pressure at a depth of 15m under water surface in a dam is approximately
(a) 15 bar (a) (b) 1.5 MPa (c) 150 kPa(g) (d) None of these |
| 7 | Ductility of material is indicated by
(a) Ultimate strength (b) Endurance strength (c) Yield strength (d) elongation |
| 8 | Power transmitted by a shaft running at 700 rpm with torque of 6 kNM= _____
(a) 880 kW (b) 440 kW (c) 220 kW (d) None of these |
| 9 | If flow rate of water in a pipeline is doubled, then pressue drop will be ____ the original value
(a) same as (b) 2 times (c) 4 times (d) one-half of |
| 10 | The average cutting speed in machining mild steel by single point tool of HSS is
(a) 10 m/ minute (b) 20 m/ minute (c) 30 m/ minute (d) 40 m/ minute |
Last Updated on – 7th April 2022
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