The maximum temperature in the I.C. engine cylinder is of the order of ________________?

A. 500- 1000°c
B. 1000- 1500°c
C. 1500-2000°c
D. 2000-2500°c

The pressure and temperature at the end of compression stroke in a petrol engine are of the order of___________________?

A. 4 – 6 kg/cm2 and 200 – 250°c
B. 6 – 12 kg/cm2 and 250 – 350°c
C. 12 – 20 kg/cm2 and 350 – 450°c
D. 20 – 30 kg/cm2 and 450 – 500°c

In case of gas turbines, the gaseous fuel consumption guarantees are based on________________?

A. High heat value
B. Low heat value
C. Net calorific value
D. Middle heat value

Fuel oil consumption guarantees for I .C. engine are usually based on__________________?

A. Low heat value of oil
B. High heat value of oil
C. Net calorific value of oil
D. Calorific value of fuel

All heat engines utilize_____________________?

A. Low heat value of oil
B. High heat value of oil
C. Net claorific value of oil
D. Calorific value of fuel

The calorific value of gaseous fuels is expressed in terms of__________________?

A. Kcal
B. Kcal/kg
C. Kcal/m2
D. Kcal/m²

Compression ratio of LC. engines is ___________________?

A. The ratio of volumes of air in cylinder before compression stroke and after compression stroke
B. Volume displaced by piston per stroke and clearance volume in cylinder
C. Ratio of pressure after compression and before compression
D. Swept volume/cylinder volume

Supercharging is the process of_____________________?

A. Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere
B. Providing forced cooling air
C. Injecting excess fuel for raising more load
D. Supplying compressed air to remove combustion products fully

What was the significant event of 27 Rajab of 10th year of Prophethood?

A. Miraj
B. Migration
C. Boycott
D. Pledge of aqaba

The designation M 33 x 2 of a bolt means___________________?

A. Metric threads of 33 nos in 2 cm.
B. Metric threads with cross-section of 33 mm
C. Metric threads of 33 mm outside diameter and 2 mm pitch
D. Bolt of 33 mm nominal diameter having 2 threads per cm