Explore topic-wise MCQs in Concrete Technology.

This section includes 27 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.

Evaluation of cracks _________ be determined after cracking.

A. Can
B. Can’t
C. Sometimes
D. Depends on the structure
Answer» B. Can’t
2.

In Concrete core test the strength is ________ at the top and _________ at the bottom.

A. Lowest, lowest
B. Lowest, highest
C. Highest, lowest
D. Highest, highest
Answer» C. Highest, lowest
3.

A ratio of core height-to-diameter of __________ gives a standard cylinder test.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
4.

It is about __________ times the tensile stress determined by the splitting test.

A. Equal
B. .5
C. 1.5
D. 2
Answer» D. 2
5.

The fatigue performance of metallic casting is generally determined by endurance limit of the material.

A. True
B. False
Answer» B. False
6.

In impact testing of materials, the notches are made to reduce the stress concentration.

A. True
B. False
Answer» C.
7.

The dynamic tear test is mainly used for evaluating fracture properties of ultrahigh strength steel castings.

A. True
B. False
Answer» B. False
8.

Charpy v-notch test can only estimate the energy absorbed by the fracturing of material.

A. True
B. False
Answer» C.
9.

Which of the following tests uses a heavy pendulum for the breaking of a specimen while inspection?

A. Pressure test
B. Static tear test
C. Stress test
D. Charpy v-notch test
Answer» E.
10.

Destructive tests are generally much easier to interpret than the non-destructive tests.

A. True
B. False
Answer» B. False
11.

THE_DYNAMIC_TEAR_TEST_IS_MAINLY_USED_FOR_EVALUATING_FRACTURE_PROPERTIES_OF_ULTRAHIGH_STRENGTH_STEEL_CASTINGS.?$

A. True
B. False
Answer» B. False
12.

DURING_RADIOGRAPHY_TEST,_WHICH_REGION_ABSORBS_LESS_RADIATION_AND_TRANSMITS_MORE??$

A. Low and high density regions absorb and transmit same amount of radiation
B. High density region
C. Low density region
D. Low and high density regions adsorb
Answer» D. Low and high density regions adsorb
13.

The fatigue performance of metallic casting is generally determined by endurance limit of the material.$

A. True
B. False
Answer» B. False
14.

In impact testing of materials, the notches are made to reduce the stress concentration.$

A. True
B. False
Answer» C.
15.

Which of the following parameters is also known as stress intensity factor (K)?

A. Creep
B. Proof resilience
C. Fracture toughness
D. Endurance
Answer» D. Endurance
16.

Charpy v-notch test can only estimate the energy absorbed by the fracturing of material?

A. True
B. False
Answer» C.
17.

Which of the following tests uses a heavy pendulum for the breaking of specimen while inspection?

A. Pressure test
B. Static tear test
C. Stress test
D. Charpy v-notch test
Answer» E.
18.

In Concrete core test the strength is __ at the top and ___ at the bottom.

A. Lowest, lowest
B. Lowest, highest
C. Highest, lowest
D. Highest, highest
Answer» C. Highest, lowest
19.

Which of the following tests is not the type of destructive testing of materials?

A. Stress test
B. Crash test
C. Hardness test
D. Pressure test
Answer» E.
20.

A ratio of core height-to-diameter of ___ gives a standard cylinder test.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
21.

Destructive testing method can also be economical for large casting or structure.

A. True
B. False
Answer» C.
22.

It is about ___ times the tensile stress determined by the splitting test.

A. Equal
B. .5
C. 1.5
D. 2
Answer» D. 2
23.

High speed camera used in destructive testing can give very precise information about the failure of casting or material.

A. True
B. False
Answer» B. False
24.

Compressive strength of hardened concrete is done by _________

A. Cube test
B. Tensile splitting test
C. Concrete core test
D. Flexure test
Answer» B. Tensile splitting test
25.

In destructive testing, all the operations are performed manually, thus it does not require any technologies or electronic devices.

A. True
B. False
Answer» C.
26.

Destructive testing is not economical for mass production as this method destroys material for the inspection.

A. True
B. False
Answer» C.
27.

What is destructive test?

A. Destructive tests are applications for detecting flaws in materials without impairing their usefulness
B. Destructive tests are applications for detecting flaws that impair the use of the materials such as pressure testing
C. Destructive tests are applications for detecting flaws in materials with impairing their usefulness
D. Destructive tests are applications for detecting flaws that do not impair the use of the materials such as pressure testing
Answer» C. Destructive tests are applications for detecting flaws in materials with impairing their usefulness