LIVE EXAMINATION-MECHANICAL (06-04-2019 TO 07-04-2019)

QuizÂ by Wincentre Classes

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10 questions
• Q1
Brake thermal efficiency of an engine is defined as the ratio of
Brake power to rate of fuel energy input
indicated power to brake power
indicated power to rate of fuel energy input
brake power to indicated power
30s
• Q2
The ignition quality of diesel fuel is determined using
Octane number
Viscosity of fuel
Cetane number
30s
• Q3
Engine valves are generally formed in to mushroom shape and called
Non-return valve
Stop valve
Poppet valve
Tappet valve
30s
• Q4
The big end of the connecting rod is connected to
Cam
Crank
Piston
Cylinder
30s
• Q5
Brass is an alloy of copper and
Antimony
Zinc
Tin
30s
• Q6
Two mating gears should have the same
face width
Number of teeth
Diameter
Module
30s
• Q7
Heat and work are
Path functions
Intrinsic property
Point function
Extrinsic property
30s
• Q8
As the compression ratio increases, the efficiency of Otto cycle
Decreases
No relation
Remains the same
Increases
30s
• Q9
The maximum angle of a plane on which a body can just rest is known as
Angle of restitution
Angle of cone
Angle of friction
Angle of repose
30s
• Q10
The moment of inertia of a surface is minimum about
Axis parallel to centroidal axis
Centroidal axis
Axis at an angle to the centroidal axis
Axis perpendicular to centroidal axis
30s

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