A. 30 – 65°C
B. 65 – 220°C
C. 220-350°C
D. 350-450°C
E. 450-550°C
Related Mcqs:
- The specific fuel consumption for a petrol engine first decreases with increase in fuel air ratio and then increases with further increase in fuel air ratio. The minimum value occurs in the range of__________________?
A. lean mixture
B. chemically correct mixture
C. rich mixture
D. unpredictable
E. none of the above - The patrol is distilled at a temperature from :
A. 6° to 20°
B. 220° to 345°
C. 65° to 220°
D. 15° to 120°Submitted by: Faheem Zaman Dhaunroo
- The thermal efficiency of a petrol engine of two stroke with crank case scavenging as compared to four stroke petrol engine with same comperssion ratio will be_____________________?
A. higher
B. lower
C. same
D. depends on size of engine
E. unpredictable. - The delay period in petrol engine is of the order of__________________?
A. 0.001 sec
B. 0.002 see
C. 0.01 sec
D. 0.05 sec
E. 0.1 sec - Deposition of carbon in petrol engine cylinder would result in increase of__________________?
A. clearance volume
B. swept volume
C. compression ratio
D. volumetric efficiency
E. mean effective pressure - Kerosene is distilled at________________?
A. 30 – 65°C
B. 65 – 220°C
C. 220 – 350°C
D. 350 – 450°C
E. 450-550°C - The self-ignition temperature of diesel oil compared to petrol is_________________?
A. higher
B. lower
C. same
D. depends on quality of fuel
E. unpredictable - Self-ignition temperature of petrol is of the order of___________________?
A. 150°C
B. 240°C
C. 370°C
D. 450°C
E. more than 500°C. - Freezing temperature of petrol is usually__________________?
A. 0°C
B. – 10°C
C. 10°C
D. less than – 30°C
E. less than – 273°C - In petrol engine, increase of cooling water temperature will_________________?
A. increase the knocking tendency
B. decrease the knocking tendecny
C. not affect the knocking tendency
D. increase or decrease knocking tendency depedning on strength and time of spark
E. unpredictable
