Electrostatic precipitators are largely used in
A.water treatment plants
B.sewage disposal plants
C.Thermal power plants
D.nuclear power plants
Category: Mechanical Engineering Mcqs
Which of the following relation does not hold good for a throttling process?
A.dW = 0
B.dQ = 0
C.dH = 0
D.dS = 0
In work study the symbol O implies
A.Delay
B.Operation
C.Transport
D.Inspection
E.Temporary storage
In a stationary type mechanical seal the sealing ring is generally located
A.In machine housing
B.Along machine shaft
C.Independently
D.None of the above
V belt having cross-section A is suitable for usual load of 5 HP. If 15 HP load is to be transmitted
A.Drive system may be changed
B.3 Vee belts using 3 groove pulley may be used
C.Gear system may be adopted
D.Toothed belts may be used
E.Machine arrangement may be modified
The function of a clutch in automobiles
A.To disengage power from engine to flywheel
B.To disengage power from engine to gear box
C.To disengage power from engine to wheels
D.To disengage power from wheels to engine
E.To absorb power
The statement that molecular weight of all gases occupy the same volume at NTP is known as
A.Dalton’s law
B.Avogadro’s law
C.First law of thermodynamics
D.Joules law
E.Charle’s law
Size of a shaper is generally specified by
A.The area of machined surface per hour
B.Maximum travel of cutting tool
C.Length, breadth and height of machine
D.Quick return ratio
E.Weight of the machine
Which of the following material is generally not used as deoxidiser for producing killed steel?
A.Copper
B.Ferro-silicon
C.Ferro-manganese
D.Aluminium
E.All of the above
