Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be_____________________?

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Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is____________________?

A. Very low which prevents their ignition by compression B. Very high which prevents their ignition by compression C. Zero D. None of these...

Heating of ferromagnetic materials to a temperature above Curie temperature makes it ________________________?

A. Insulator for heat & electricity transmission B. Ferritic C. Behave like paramagnetic materials D. Superconductor...

Difference at any instant between the value of the controlled variable and the set point is called the__________________?

A. Deviation B. Derivative time C. Error ratio D. Differential gap...

As the fluid flow rate increases, the float of the Rotameter____________________?

A. Rises in the tube B. Rotates at higher speed C. Rotates at lower speed D. Drops down in the tube...

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be_______________?

A. Parabolic B. Hyperbolic C. Straight line D. None of these...