a) Dugald Clark b) Nikola Tesla c) Carl Sagan d) William Henry Bragg Answer: a Explanation: ...
View QuestionThe pipe which connects the intake system to the inlet valve of the engine and through which air or air-fuel mixture is drawn into the cylinder is known as _______
a) Spark Plug b) Connecting Rod c) Camshaft d) Inlet Manifold Answer: d Explanation: Spark plug is a component to initiate the combustion ...
View QuestionFind the weight of air for complete combustion of 10 litres of petrol assuming air contains 22.7% oxygen.
a) 106.10 kg b) 120kg c) 113.67 kg d) 115.79 kg Answer: c Explanation: 2C6H14+19O2 – – 12CO2+12H2O Density of petrol = 0.77 g/cc Mass ...
View QuestionIn which of the following condition the engine is known as over-square engine?
a) d < L b) d > L c) d=0 d) L=0 Answer: b Explanation: L/d, known as stroke to bore ratio, is ...
View QuestionA four-stroke diesel engine operating at 1200 rpm uses 0.1 kg of fuel in 5 minutes and has the brake specific fuel consumption equals to 0.1910 kg\BHP\h. Calculate the torque developed.
a) 6.5 kg-m b) 8 kg-m c) 7.5 kg-m d) 5 kg-m Answer: c Explanation: N = 1200/2 = 600 BHP = 2πpT/4500 = ...
View QuestionWhich of the following is an indicator of the combustion speed of diesel fuel and compression needed for ignition?
a) Cetane Number b) Octane Number c) Calorific Value d) Pre-Ignition Answer: a Explanation: Octane number is the ignition quality of petrol. Calorific ...
View QuestionWhich is largest piston driven aircraft having 36 cylinders?
a) DKW b) Lycoming R-7755 c) Saab 92 d) Pratt and Whitney R-4360 Answer: b Explanation: DKW and Saab 92 are examples of ...
View QuestionRapid explosion of air-fuel mixture within the cylinder, when ignited by a spark is known as _______
a) constant heat combustion b) constant pressure combustion c) constant volume combustion d) cut off ratio Answer: c Explanation: There are two ...
View QuestionButtermilk is a fluid product resulting from the manufacture of?
a) Cheese b) Yogurt c) Ice cream d) Butter Answer: d Explanation: Buttermilk refers to a number ...
View QuestionA product consisting of a mixture of milk and cream which contains not less than 10.5% milk fat is called?
a) Concentrated Milk b) Low Fat Milk c) Half-and –Half d) Eggnog Answer: c Explanation: Half ...
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