Explore topic-wise MCQs in Chemical Engineering.

This section includes 806 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

801.

Satellites burn off during re-entry to earth's atmosphere, because of the

A. Combustion with air
B. Gravitational pull by earth
C. Friction with earths atmosphere
D. Loss in weight of the satellite
Answer» D. Loss in weight of the satellite
Discussion
802.

Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same

A. Period increases
B. Period decreases
C. Group increases
D. Both b & c
Answer» E.
Discussion
803.

About __________ ton of coke is required in a cupola to produce one ton of casting.

A. 0.03
B. 0.3
C. 0.8
D. 1.5
Answer» C. 0.8
Discussion
804.

The temperature at which the magnetic property of iron disappears (i.e., it becomes nonmagnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

A. 768
B. 908
C. 1400
D. 1539
Answer» B. 908
Discussion
805.

Filler material used in welding should have __________ as compared to the parent metal to be welded.

A. Lower melting temperature
B. Same melting temperature
C. Same composition
D. Both b & c
Answer» E.
Discussion
806.

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

A. Cyaniding
B. Sherardizing
C. Spheroidising
D. None of these
Answer» B. Sherardizing
Discussion