IC Engine Mock Test 1

10%

Question 1 of 10

1. The calorific value of gaseous fuels is expressed in terms of ___________

Kcal/m²

Kcal/m³

Kcal/kg

Kcal

Question 1 of 10

Question 2 of 10

2. If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be ___________

14%

Question 2 of 10

Question 3 of 10

3. The concept of regeneration is used in which of the following cycles?

None of the mentioned

Rankine and Ericsson

Rankine and Stirling

Ericsson and Stirling

Question 3 of 10

Question 4 of 10

4. Power output is maximum at stoichiometric ratio where there is ____________

dissociation

none of the mentioned

no dissociation

rich mixture

Question 4 of 10

Question 5 of 10

5. Air fuel ratio for idling speed of a petrol engine is approximately ____________

10:1

1:1

5:1

15:1

Question 5 of 10

Question 6 of 10

6. The constant volume cycle is also called ___________

Otto cycle

Joule cycle

Carnot cycle

Diesel cycle

Question 6 of 10

Question 7 of 10

7. In rich mixtures dissociation is prevented by the available ____________

CO and O₂

CO₂

O₂

Question 7 of 10

Question 8 of 10

8. For constant maximum pressure and heat input, the air standard efficiency of the gas power cycle is in the order.

Otto cycle, Diesel cycle, Dual cycle

Dual cycle, Otto cycle, Diesel cycle

Diesel cycle, Dual cycle, Otto cycle

Diesel cycle, Otto cycle, Dual cycle

Question 8 of 10

Question 9 of 10

9. It is assumed that all the processes of an air standard cycle are ___________

irreversible

reversible

adiabatic

isothermal

Question 9 of 10

Question 10 of 10

10. What is the work output of the theoretical Otto cycle?

none of the mentioned

increases with increase in pressure ratio

increases with increase in compression ratio

increases with increase in compression & pressure ratio

Question 10 of 10