The chemical used in breather for transformer should have the quality of

A 70 kg tea powder contains mixture from two qualities. Some amount of quality 1 tea powder is added so that ratio of quality 1 to quality 2 becomes 5 : 4. What is the extra amount of of quality 2 to be added so that, quality 2 becomes double the amount of quality 1 in new mixture. Given: current quality 1 exceeds quality 2 in old mixture by 10 kg?

A

30 kg

B

40 kg

C

50 kg

D

60 kg

Which of the following is the most important quality required for chemical in breather, so that it can be used perfectly in an electrical transformer?

A

Ionizing air

B

Absorbing moisture

C

Cleansing the transformer oil

D

Cooling the transformer oil

What is the material used inside the breather to prevent moisture entering the transformer?

A

Copper sulphate

B

Sodium chloride

C

Sodium silicate

D

Silica gel

E

Potassium Chloride

Six special lectures are to be organised on Banking system, Quality circles, Work motivation, Decision making, Current affairs, and Personality development. Lectures are scheduled to be held, one lecture on each day from Monday to Sunday, as per the details given below: 1. Work motivation should be organised immediately after Decision making. 2. Quality circle should be organised on Wednesday and should not be followed by Personality development. 3. Decision making should be organised on Friday and there should be a gap of two days between Banking system and Current affairs. 4. On one day, other than Saturday, there should be no lecture. Current affairs should be on previous day of holiday. Which lecture will be organised on the first day (Monday)?

A

Banking system

B

Working motivation

C

Personality development

D

Current affairs

If a person buys 8 litres of oil but a dishonest shopkeeper mixed low-quality oil with high-quality oil in the ratio 3 ∶ 5. The price of high-quality oil is Rs.60/litre and that of low quality is Rs.20/litre, then what is the profit% of the shopkeeper if he charged the price of high-quality oil?

A

33.33%

B

66.66%

C

25%

D

75%

Consider the below statements. (i) Quality is defined as fitness for the purpose at the lowest cost (ii) Quality is a grade of the product in appearance, performance, life, reliability, taste, odour, maintainability etc (iii) Quality is the degree to which a specified product is preferred over competing products of equivalent grade, based on the comparative test by customers, normally called as customer’s preference (iv) Quality is a measure of the degree of the general excellence of the product (v) Quality may be defined as the degree of conformance to design and specifications Which of the above statements are correct?

A

i, ii

B

i, v, iv

C

i, ii, iii, iv, v

D

ii, iv, iii

A 100 VA, 120/12 V transformer is to be connected so as to form a step-up transformer. A Primary voltage of 120 V is applied to the transformer. What is the secondary voltage of the transformer?

A

1.2 V

B

12 V

C

120 V

D

132 V

What is the function of breather in a transformer?

A

To provide oxygen inside the tank

B

To cool the coils during reduced load

C

To cool the transformer oil

D

To arrest flow of moisture when outside air enters the transformer

The function of breather in a transformer is

A

to provide oxygen inside the tank

B

to cool the coils during reduced load

C

to cool the transformer oil

D

to arrest flow of moisture when outside air enters the transformer

What is the function of a breather in a transformer?

A

To arrest flow of moisture when outside air enters the transformer

B

To cool the transformer oil

C

To provide oxygen inside the tank

D

To cool the coils during reduced load

The chemical used in breather for transformer should have the quality of

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