Question 31 : Theoretically, a four stroke cycle engine should develop __________ power as that of a two stroke cycle engine.
1. double
2. half
3. same
4. four times
View Answer   Discuss with Members

Question 32 : High speed compression engines operate on
1. Otto cycle
2. all of these
3. Diesel cycle
4. Dual-combustion cycle
View Answer   Discuss with Members

Question 33 : The pressure at the end of compression, in diesel engines, is approximately
1. 20 bar
2. 25 bar
3. 35 bar
4. 10 bar
View Answer   Discuss with Members

Question 34 : Morse test can be conducted for
1. petrol engines
2. diesel engines
3. multi-cylinder engines
4. all of these
View Answer   Discuss with Members

Question 35 : The thermal efficiency of diesel engines on weak mixtures is
1. dependent on other factors
2. unaffected
3. higher
4. lower
View Answer   Discuss with Members

Question 36 : The basic requirement of a good combustion chamber is
1. high thermal efficiency and power output
2. low volumetric efficiency
3. low compression ratio
4. minimum turbulence
View Answer   Discuss with Members

Question 37 : The energy released during the fission of one atom of Uranium – 235 in million electron volts is about
1. 200
2. 300
3. 100
4. 400
View Answer   Discuss with Members

Question 38 : In a four stroke cycle petrol engine, the inlet valve
1. opens at 20° before top dead centre and closes at 40° after bottom dead centre
2. pens at 20° after top dead centre and closes at 20° before bottom dead centre id) may open or close anywhere
3. opens at top dead centre and closes at bottom dead centre
4. None of these
View Answer   Discuss with Members

Question 39 : A diesel engine has
1. one valve
2. two valves
3. four valves
4. three valves
View Answer   Discuss with Members

Question 40 : A carburettor is used to supply
1. petrol and air
2. petrol, air and lubricating oil
3. air and diesel
4. petrol and lubricating oil
View Answer   Discuss with Members