Solar pond usually consists of an upper convective layer (UCL) a nonconvective layer (NCL) and a lower lower convective layer (LCL). The solar energy is stored in
A.UCL
B.NCL
C.LCL
D.UCL and LCL
Category: Mechanical Engineering Mcqs
Compressive strength is highest in case of
A.Cast iron
B.Wrought iron
C.Mild steel
D.Low carbon steel
E.High carbon steel
A particle is moving in Simple Harmonic Motion in a simple pendulum with some period of oscillation. Now in order to double the period of oscillation
A.The mass of the bob should be doubled
B.The mass of the bob should be halved
C.The length of pendulum should be doubled
D.The length of pendulum should be quadrupled
E.The length of pendulum should be reduced to one fourth
Ionisation gauge is used to measure pressures
A.Below 3 microns
B.Above 3 microns
C.Above 100 microns
D.Between 100 and 200 microns
E.Above 200 microns
CPM is oriented to
A.cost
B.time
C.objective
D.activity
The function of a piston rins in an internal combustion engine is
A.To prevent lubricating oil from entering the combustion space
B.To prevent leakage of combustion chamber products
C.To transfer heat from piston to cylinder walls
D.All of the above
E.None of the above
Demand for electricity is elastic because
A.It is very expensive
B.It has number of close substitutes
C.It has number of alternatives uses
D.All of the above
E.None of the above
In an automobile the probable cause for dragging brakes could be
A.Lack of clearance
B.Drums out of round
C.Loose wheel bearings
D.Weak retracting spring
E.Any of the above
If ? is the angle between an incident beam of flux Ibn and the normal to a plane surface then the equivalent flux falling normal to the surface is
A.Ibn sin ?
B.Ibn cos ?
C.Ibn sec ?
D.Ibn
In Iocomotives, swaying couple is caused due to
A.Unbalanced parts of the primary forces acting at a distance between the line of stroke of the cylinders
B.Unbalanced part of the secondary forces acting at a distance between the line of stroke of the cylinders
C.Vertical unbalanced primary forces acting in the plane of the wheels
D.Vertical unbalanced primary forces acting in the plane of the wheels
E.Horizontal unbalanced primary forces acting in the plane of the wheel
