Which option replaces the question mark? 

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

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

Which one of the following should be considered during a Brinell Hardness Test to accurately determine the hardness of a coarse material like a cast iron sample?

Which one of the following comparators is based on the principles of optics, using illumination, lenses, and mirrors to project a magnified silhouette of the part onto a viewing screen?

Which factor is most critical in resolving disputes within industrial relations frameworks?

A traffic light is hanging from a horizontal pole that is supported by two cables attached to a vertical pole. The weight of the traffic light and the pole act downward. Given that the system is in equilibrium (the traffic light and the pole remain stationary) , which forces should be included in the Free Body Diagram?

A manufacturing company wants to optimise production tasks and resource allocation by automating the creation of detailed process workflows from design specifications. Which system should they adopt to achieve this?

In turbomachinery, which of the following components form the sides of the triangle showing the relationships between the different velocity vectors of working fluid in a turbomachine?

In a certain language,
'Come To Home' is coded as 'Fa Ta Ha'
'Go To Home' is coded as 'Ta Ja Ha'
'Come For School' is coded as 'Fa Ya Ka'
Then what is the code for 'Come'?

See the given figure,

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