In order to avoid a correction for the effect of capillarity in manometers, the diameter of the tube should be
A.Less than 1 mm
B.Less than 3 mm
C.Less than 4.5 mm
D.Greater than or equal to 6 mm
E.None of the above
Category: Mechanical Engineering Mcqs
Lifting magnets are used as material handling devices for
A.pig iron
B.billets
C.tubes
D.all of the above
The calorific value of diesel oil is expected to be around
A.1000 kcal/kg
B.5000 kcal/kg
C.11000 kcal/kg
D.16000 kcal/kg
E.21000 kcal/kg
In the polytropic process equation pvn = constant, if the value of n is infinitely large the process is termed as
A.Constant volume
B.Constant pressure
C.Constant temperature
D.Adiabatic
E.Isothermal
Wood used for pattern making has knots. This is likely to affect
A.warping of the piece
B.machinability of pattern
C.moisture content of wood
D.all of the above
Bainiti is a fine maxture of
A.ferrite and cementite
B.cementitie and peoitite
C.pearlite and ferrite
D.austenti and ferrite
Which of the following facilitates shaking and lifting large pattern from the mould?
A.Trowel
B.Swab
C.Bellows
D.Ripping plate
A Bourdon tube is generally made of
A.Monel metal
B.Beryllium copper alloy
C.Phosphor bronze
D.Stainless steel
E.Any of the above
If the price index is 200, it means that the price level is
A.200 percent higher than in the base year
B.150 percent higher than in the base year
C.100 percent higher than in the base year
D.50 percent higher than in the base year
The electricl resistarice of a wire is
A.Directly proportional to diameter and inversely proportional to length
B.Directly proportional to length and inversely proportional to diameter
C.Directly proportional to length and diameter
D.Inversely proportional to resistance and length
E.None of the above
