SSC-JE ME || Technical Quiz 18

Two non-collinear parallel equal forces acting in opposite direction

In a two-dimensional flow, the component of the velocity along the X-axis is u = ax² + bxy + cy². If v = 0 at y = 0, what will be the velocity component in the Y-direction?

Which of the following non – dimensional numbers is used for transition from laminar to turbulent flow in free convection?

The displacement of slider in a single slider crank chain is given by

MRP stands for

The leaks in a refrigeration system using Freon are detected by which of the following method?

The ratio of thermal conductivity to electrical conductivity is equal to _______.

The length, coefficient of thermal expansion and Young’s modulus of bar A are twice of bar B. If the temperature of both bars is increased by the same amount while preventing any expansion, then the ratio of stress developed in bar A to that in bar B will be

Component of outlet velocity in direction of jet in curved vane is (-VCosθ). What does ‘θ’ indicate?

The equation  holds good for

The motion of a particle is defined by the relation x=(5t²/2) - 20t+10, where x and t are expressed in meters and seconds respectively. The position x of the particle at zero velocity is-

A long helical spring having a spring stiffness of 10 kN/m and number of turns 20, breaks into two parts of the resultant stiffness spring will be.

In a single slider crank mechanism, obliquity ratio is given by

Mean rate of consumption during lead time (R) multiplied by mean lead time (L) is equal to

Which cycle is used in pulse jet engine?