COP of refrigerator based on reverse Carnot cycle decreases on

A metal rod is stretched, causing its length to increase from the original length L by ΔL. How is longitudinal strain determined when it is positive, indicating an increase in length?

If 30% of a number is 23.7, what is the value of 60% of that number?

Complete the series:
96,48,24,12, ___

Which instrument uses a spirit or bubble level to measure angles of slopes or heights relative to gravity and also assess the straightness and flatness of surfaces?

What is the main purpose of the boiler in a simple vapor power cycle of a steam power plant?

In which phase of the Diesel cycle,do the high pressure and high temperature gases expand and perform mechanical work?

Why does the velocity of fluid within the boundary layer start from zero at the surface and gradually increase to the free-stream velocity?

In a governor, what force exerted on the rotating flyweights controls the fuel consumption and also maintains a consistent engine speed?

Dinesh is the brother of Rahul and Rahul is the son of Sujata. How is Dinesh related to Sujata?

See the given figure,

If K is to the North of L , then find the direction of M with respect to L .