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EXAM PREPARATION

Objective Question & Answer

QUESTION

Objective Question

Q.1

For maximum strength, the desired workability of fresh concrete can be attained by which one of the following measures?

अधिकतम मजबूती (strength) पाने के लिए, ताजे कंक्रीट की वांछित कार्यक्षमता (workability) निम्नलिखित में से किस उपाय से प्राप्त की जा

सकती है?

A

The proportion of coarse aggregate may be increased 

मोटे एग्रीगेट (coarse aggregate) का अनुपात बढ़ाया जा सकता है

B
The proportion of fine aggregate may be reduced

बारीक एग्रीगेट (fine aggregate) का अनुपात घटाया जा सकता है

C

The process of mixing concrete can be repeated second time by the use of vibrators

वाइब्रेटर का उपयोग करके कंक्रीट को दूसरी बार फिर से मिलाया (mix किया) जा सकता है

D
The quantity of cement may be increased while quantity of water may be reduced

सीमेंट की मात्रा बढ़ाई जा सकती है, जबकि पानी की मात्रा घटाई जा सकती है

Answer ( Option D)

The quantity of cement may be increased while quantity of water may be reduced

सीमेंट की मात्रा बढ़ाई जा सकती है, जबकि पानी की मात्रा घटाई जा सकती है

Solution

Increasing cement content increases cement content.

Here, increasing quantity of cement and decreasing quantity of water would ultimately increase strength of concrete.

सीमेंट की मात्रा बढ़ाने से कंक्रीट की मजबूती बढ़ती है।

यहाँ, सीमेंट की मात्रा बढ़ाने और पानी की मात्रा घटाने से अंततः कंक्रीट की मजबूती बढ़ जाएगी।

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