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.

A body through which all the incident radiations passes, is called

A. Opaque body
B. Black body
C. Transparent body
D. White body
Answer» D. White body
2.

With respect to incident radiation, transmissivity varies with

A. Time
B. Temperature
C. Surface area
D. Wavelength
Answer» E.
3.

Radiant energy with an intensity of 800 W/m2 strikes a flat plate normally. The absorptivity is thrice the reflectivity and twice the transmissivity. Determine the rate of transmission

A. 155.47 W/m<sup>2</sup>
B. 145.47 W/m<sup>2</sup>
C. 135.47 W/m<sup>2</sup>
D. 125.47 W/m<sup>2</sup>
Answer» C. 135.47 W/m<sup>2</sup>
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