Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the unit of Fouling factor (Rf) in S.I. system?

A. m2K/Pa
B. mK/Pa
C. m2K / W
D. mK/W
Answer» D. mK/W
2.

What do you understand by Rfo and Rfi?

A. Dirt factor and Fouling factor
B. Inner Tube outer surface fouling factor and inner surface fouling factor
C. Inner Tube outer surface fouling factor and inner surface fouling factor
D. Inner Tube outer surface fouling factor and Annulus tube inner surface fouling factor
Answer» C. Inner Tube outer surface fouling factor and inner surface fouling factor
3.

In a double pipe heat exchanger, in the inner side fluid enters at 15℃ and leaves at 65℃. The annulus has steam at 1atm. What is the value of LMTD?

A. 39℃
B. 66.7℃
C. 70℃
D. 56.35℃
Answer» E.
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