Explore topic-wise MCQs in Concrete Technology.

This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.

1.

Vibration is also known as

A. Vibratory motion
B. Translatory motion
C. Oscillatory motion
D. None of these
Answer» D. None of these
Discussion
2.

Human can hear sound in the range of

A. 200-2000 Hz
B. 20-20,000 Hz
C. 2-20000 Hz
D. 2000-200000 Hz
Answer» C. 2-20000 Hz
Discussion
3.

Sound is produced by

A. Non-Vibrating objects only
B. Vibrating and non- vibrating objects
C. Vibration has no relation to sound
D. Vibrating objects only
Answer» E.
Discussion
4.

Above _____ dB the sound becomes physically painful

A. 60
B. 40
C. 120
D. 80
Answer» E.
Discussion
5.

Voice of man is heavy compared to a woman because

A. Female vocal cord is longer
B. Male vocal cord is shorter
C. Male vocal cord is longer
D. The concept is not related
Answer» D. The concept is not related
Discussion
6.

An ultrasound equipment works at frequency

A. Higher than 20,000 Hz
B. Higher than 10,000 Hz
C. Lower than 20,000 Hz
D. Lower than 10,000 Hz
Answer» B. Higher than 10,000 Hz
Discussion
7.

The number of oscillations per second is called

A. Amplitude of oscillation
B. Pitch of oscillation
C. Frequency of oscillation
D. None of the bove
Answer» D. None of the bove
Discussion
8.

When the amplitude of vibration is large, sound produced is

A. No sound
B. feeble
C. loud
D. No relation between amplitude and sound
Answer» D. No relation between amplitude and sound
Discussion
9.

What is the standard value of expansion for super sulphated cement?

A. 10mm
B. 5mm
C. 1mm
D. .5mm
Answer» C. 1mm
Discussion
10.

What is the size of caliper?

A. 30cm
B. 50cm
C. 30mm
D. 40mm
Answer» B. 50cm
Discussion
11.

WHAT_IS_THE_SIZE_OF_CALIPER??$

A. 30cm
B. 50cm
C. 30mm
D. 40mm
Answer» B. 50cm
Discussion
12.

What_is_the_standard_value_of_expansion_for_super_sulphated_cement?$

A. 10mm
B. 5mm
C. 1mm
D. .5mm
Answer» C. 1mm
Discussion
13.

If the Y is the reading of sand surface (ml) then what is the percentage of bulking?

A. % of bulking {(200/Y)-2} x100
B. % of bulking {(200/Y)-1} x100
C. % of bulking {(100/Y)-2} x100
D. % of bulking {(100/Y)-1} x100
Answer» C. % of bulking {(100/Y)-2} x100
Discussion
14.

Expansion should not be more than _____________

A. 5mm
B. 10mm
C. 5cm
D. 10cm
Answer» C. 5cm
Discussion
15.

When the cement paste is filled in mould and kept in water. Then what should be the temperature of water?

A. 24-35°C
B. 20°C
C. 30-40°C
D. 50°C
Answer» B. 20¬¨¬®‚Äö√†√ªC
Discussion
16.

Le Chatelier apparatus consist of ___________

A. Brass mould
B. Steel mould
C. Aluminum mould
D. Wooden mould
Answer» B. Steel mould
Discussion
17.

What is the maximum size of split?

A. 1mm
B. .5mm
C. 10mm
D. 2mm
Answer» C. 10mm
Discussion
18.

Why do we need to find soundness?

A. To detect the uncombined lime in cement
B. To detect the combined lime in cement
C. To detect the combined alumina in cement
D. To detect the uncombined alumina in cement
Answer» B. To detect the combined lime in cement
Discussion
19.

Which apparatus we need to find soundness?

A. Le Chatelier
B. Vicat’s apparatus
C. CTM
D. Pat test
Answer» B. Vicat‚Äö√Ñ√∂‚àö√ë‚àö¬•s apparatus
Discussion
20.

What is soundness?

A. Soundness of cement is the property by virtue of which the cement does not undergo any appreciable expansion
B. Soundness of cement is the property by virtue of which the cement does undergo any appreciable expansion
C. Soundness of cement is the property by virtue of which the cement does not undergo any appreciable contraction
D. Soundness of cement is the property by virtue of which the cement does undergo any appreciable contraction
Answer» B. Soundness of cement is the property by virtue of which the cement does undergo any appreciable expansion
Discussion