1000+ Chemical Engineering Heat Transfer MCQ Questions & Answers Pdf - 1
Question: 1
Radiator of an automobile engine is a _____ type of heat exchanger.
(A) cross-current
(B) direct contact
(C) counter-current
(D) co-current
Ans: B
direct contact
Question: 2
In film type condensation over a vertical tube, local heat transfer coefficient is
(A) independent of local film thickness
(B) equal to local film thickness
(C) directly proportional to local film thickness
(D) inversely proportional to local film thickness
Ans: D
inversely proportional to local film thickness
Question: 3
Heat transfer occurs by natural convection because change in temperature causes difference in
(A) heat capacity
(B) thermal conductivity
(C) density
(D) viscosity
Ans: C
density
Question: 4
The film thickness for laminar film condensation on vertical surface _____ from top to bottom.
(A) remains constant
(B) and the surface conductance increase
(C) cumulatively decreases
(D) cumulatively increases
Ans: D
cumulatively increases
Question: 5
Maximum heat transfer rate is obtained in _____ flow.
(A) transition region
(B) creeping
(C) laminar
(D) turbulent
Ans: D
turbulent
Signals and Systems Quiz Questions and Answers Pdf More
Signals and Systems MCQ Questions and Answers Pdf More
Electrical Power Sources Quiz Questions & Answers Pdf More
Electromagnetic Field Theory Question Bank 2024-2025 More
Power Semiconductor Device and Integrated Circuits Questions More
7000+ Environmental Pollution MCQ Questions and Answers Pdf More
100+ PL/SQL Interview Questions and Answers for Experienced More
Computer Current Affairs Quiz 2020-2021 Pdf More
TRB Model Question Papers with Answer in Chemistry More
1000+ Hard Puzzles Questions and Answers More