Explore topic-wise MCQs in Food Engineering.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Food Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

For a copper pipe, k = 0.3534, temperature difference = 60, B = 0.0125 and A = 850. What is the value of q?

A. 1442 W
B. 1442 kW
C. 1565 W
D. 1565 kW
Answer» C. 1565 W
Discussion
2.

_____ is the equation for unsteady state heat conduction through solid materials.

A. dT/dx= (d<sup>2</sup> T)/ (dt)<sup>2</sup>
B. dT/dx= (d<sup>2</sup> T)/ (dx)<sup>2</sup>
C. dT/dt= (d<sup>2</sup> T)/ (dx)<sup>2</sup>
D. dT/dt= (d<sup>2</sup> T)/ (dt)<sup>2</sup>
Answer» D. dT/dt= (d<sup>2</sup> T)/ (dt)<sup>2</sup>
Discussion
3.

NFo= ( tT)/s2. Here s stands for half slab thickness. Based on this data, s for a chapatti/ dosa will be _____

A. Half slab thickness
B. Full slab thickness
C. One and a half slab thickness
D. Double slab thickness
Answer» C. One and a half slab thickness
Discussion
4.

Statement 1: NFo stands for Fourier number.
Statement 2: NFo= ( tT)/s2

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion
5.

Statement 1: =k/( Cp)
Statement 2: stands for thermal conductivity.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» B. True, True
Discussion
6.

Statement 1: When the average radius gives an error, log mean radius is used.
Statement 2: Log mean radius is given by rL= ( r0 ri )/(ln(r0/ri))

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion
7.

Statement 1: The heat transfer co-efficient in ice is four times that of water.
Statement 2: k in conductance is for thermal conductivity.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
Discussion