With increase in temperature, the thermal conductivity of fresh lubricating oil ___________________?

Related Mcqs:

Reason for operating an evaporator in multiple effects is to secure ___________________?

A. Increased steam economy B. Decreased steam consumption C. Both A. and B. D. Increased capacity...

In a single evaporator system, the steam economy ________________ by creating vacuum in the evaporator?

A. Increases B. Decreases C. Remain constant D. May increase or decrease, depends on the vacuum...

The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are_______________?

A. Re.Gz B. Nu, Pr C. Nu, Pr, Re D. Nu, Gz...

In forced convection, the Nusselt number is a function of ____________________?

A. Re and Pr B. Re and Gr C. Pr and Gr D. Re and Sc...

Fruit juice (a heat sensitive material) can be concentrated in a ____________ evaporator?

A. Long tube B. Falling film C. High pressure D. None of these...