Explore topic-wise MCQs in Technology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Technology knowledge and support exam preparation. Choose a topic below to get started.

1.

The fermenter vessel has to pass through several tests before entering the market.

A. True
B. False
Answer» B. False
2.

Rotating-disc fermenters are used in effluent treatment.

A. True
B. False
Answer» B. False
3.

‘Dowpac’ is derivative of _____________

A. Polystyrene
B. Polyethene
C. Polyethylene Glycol
D. Teflon
Answer» B. Polyethene
4.

Which of the following scientist developed the cyclone column?

A. Meyrath
B. Dawson
C. Wu
D. Hamer
Answer» C. Wu
5.

Who developed multiple air-lift fermenters?

A. Bakker
B. Hamer
C. Reuss
D. Bayer
Answer» B. Hamer
6.

Which of the following is not the type of airlift fermenter?

A. Concentric Draft loop
B. Tower loop
C. ICI deep shaft
D. High pressure
Answer» E.
7.

Which of the following is the disadvantage of cylindro-conical vessels in brewing?

A. Time-consuming
B. Fermentation and conditioning can be carried out in the same vessel
C. Reduction in maturing time
D. Yeast separation is good
Answer» B. Fermentation and conditioning can be carried out in the same vessel
8.

Who proposed the use of cylindro-conical vessels?

A. Nathan
B. Boulton
C. Maule
D. Smith
Answer» B. Boulton
9.

The tower beer fermenter was patented by _________

A. Shore
B. Ulenberg
C. Owen
D. Victerero
Answer» B. Ulenberg
10.

The Tower fermenter was first described for _____________

A. Amylase production
B. Citric acid production
C. Cheese production
D. Beer production
Answer» C. Cheese production
11.

Who defined Tower Fermenter?

A. Cohee
B. Steffen
C. Ebner
D. Greenshields
Answer» E.
12.

Which manufacturer developed vinegator?

A. Chemap AG
B. Solida Biotech
C. LanzaTech
D. Arzeda
Answer» B. Solida Biotech
13.

The diameter of Waldhof-type fermenter was _______

A. 8.0 m
B. 7.8 m
C. 7.9 m
D. 8.1 m
Answer» D. 8.1 m
14.

What led to the development of Walhof-type fermenter?

A. Yeast growth
B. Bacterial growth
C. Viral growth
D. Fungi growth
Answer» B. Bacterial growth
15.

The operating volume of Waldhof-type fermenter is __________ for broth and air.

A. 252,000 dm3
B. 225,000 dm3
C. 215,000 dm3
D. 232,000 dm3
Answer» C. 215,000 dm3