Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

WHAT_IS_THE_PERMISSIBLE_LIMITS_FOR_CONSTRUCTION_OF_INORGANIC_MATTER_IN_WATER.?$

A. 200mg/l
B. 2000mg/l
C. 3000mg/l
D. 500mg/l
Answer» D. 500mg/l
2.

What is the permissible limits for construction of organic matter in water?

A. 200mg/l
B. 2000mg/l
C. 3000mg/l
D. 500mg/l
Answer» B. 2000mg/l
3.

To neutralize 200 ml sample of water should not require more than _________ ml of 0.1 normal NaOH.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
4.

To neutralize 200 ml of sample should not require more than 10 ml of __________ normal HCI using methyl orange.

A. 1
B. .1
C. 10
D. .01
Answer» C. 10
5.

With regard to the curing water, identify the incorrect statement.

A. Curing water shouldn’t produce objectionable stains on the surface
B. The presence of tannic acid and iron compounds is objectionable
C. Iron and organic matter are responsible for staining
D. Water is suitable for mixing is also suitable for curing
Answer» D. Water is suitable for mixing is also suitable for curing
6.

The vegetable oil if present in mixing for concrete

A. Improves strength
B. Reduces strength
C. Gives more slump
D. Gives a smooth surface
Answer» C. Gives more slump
7.

Which of the following statement is incorrect for mixing water,

A. Suspended particles of clay and slit < .02%
B. The quality of CaCl<sub>2</sub> is restricted to 1.5%
C. The pH value of water should be between 6-8
D. Free vegetable oil is beneficial
Answer» E.