Related Questions

The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called
A Compressor efficiency
B Volumetric efficiency
C Isothermal efficiency
D Mechanical efficiency
A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
A Half
B Same
C Double
D Four times
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine.
A Equal to
B Twice
C Three times
D Four times
A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by
A 2WCE/CS
B WCE/2CS
C WCE/CS
D WCS/2CE
Besides mean effective pressure, the data required to determine the indicated power of an engine include
A Piston diameter, length of stroke and calorific value of fuel
B Piston diameter, specific fuel consumption and Calorific value of fuel
C Piston diameter, length of stroke and speed of rotation
D Specific fuel consumption, speed of rotation and torque
The method of determination of indicated power of a multi cylinder spark ignition engine is by the use of
A Morse test
B Prony brake test
C Motoring test
D Heat balance test
The ratio of the brake power to the indicated power is called
A Mechanical efficiency
B Overall efficiency
C Indicated thermal efficiency
D Volumetric efficiency
When indicated power (I.P.) and frictional power (F.P.) are known, we can calculate
A Brake power
B Compression ratio
C Specific air consumption
D Mean effective pressure
The ratio of brake power to the indicated power is known as
A Mechanical efficiency
B Overall efficiency
C Indicated thermal efficiency
D Brake thermal efficiency
110m গভীর একটি কুয়া থেকে ইঞ্জিনের সাহায্যে প্রতি মিনিটে 1200 kg পানি উঠানো হয়। যদি ঐ পানি উঠাতে ইঞ্জিনটির ক্ষমতা 40% কমে যায়, তাহলে এর অশ্বক্ষমতা কত?(1200 kg water is lifted per minute from a 110 m deep well with the help of an engine. If the engine loses 40% of its power to lift the water, what is its power in HP?)
A 37.75 HP
B 38 HP
C 48.17 HP
D 49 HP
E 50.2 HP

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