The number of links in a pantograph is equal to
A.3
B.4
C.5
D.6
E.7
Category: Mechanical Engineering Mcqs
Which of the following plant is suitable for peak load?
A.Diesel engine plant
B.Steam power plant
C.Nuclear power plant
D.Hydro-electric power plant
E.All of the above
Pattern draft for internal surfaces is (in mm/m)
A.10 — 30
B.40 – 70
C.50 – 80
In a car, transmission losses will be minimum in
A.Direct gear
B.First gear
C.Second gear
D.Third gear
The process of removing the burnt gases from the engine cylinder by the fresh charge coming into the cylinder from the crank-case, is known as
A.cleaning
B.priming
C.scavenging
D.none of the above
In the fuel injection pump of a Diesel engine, the fuel injection timing is adjusted by adjusting the
A.Delivery valve
B.Rotation plunger
C.Lift of plunger
D.Pump camshaft
E.Tappets
For which of following material the value of Poissons ratio is more than 1?
A.Cork
B.Dead mild steel
C.Wood
D.Plastic
E.None of the above
Burr is
A.Unmachined portion of work piece
B.Boundary between finished and unifinished portion on a work piece
C.A marking or work piece to identify for correct position on a work piece
D.Burnt surface of a casting
E.Sharp edge remaining on the metal after curring, stamping or machining
The molecular volume of any perfect gas at 600 x 103 N/m3 and 27?C will be
A.2.085 m3/kg mol
B.4.17 m3/kg mol
C.41.7 m3/kg mol
D.85.3 m3/kg mol
E.47.7 m3/kg mol
The Young’s modulus of elasticity of a material is twice its modulus of rigidity. The Poisson’s ratio for the material will be
A.Zero
B.0.5
C.1
D.None of the above
