DSSR

DEWA wins three Global Excellence Assembly awards 2022 in the USA. Which option is wrong

• Excellence in Innovation Award

• Excellent safety practises

• Outstanding Customer Service

• Business Innovation Award

As per Dubai Clean Energy Strategy, how much percentage of Dubai's total power output is from clean energy sources

• 30%

• 50%

• 60%

• 75%

Which of the following not coming under DEWA values

• Stakeholders Happiness

• Customer satisfaction

• Innovation

• Excellence

A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3s. What is its symmetrical breaking current?

• 1200A

• 3600A

• 35kA

• 104,8kA

In a 5 kV/400V 75 kVA single phase transformer primary current of transformer is 10A. what will be the secondary current

• 100A

• 120A

• 125A

• 130A

A boy was to multiply a no.by 12. But he multiplied by 21 and got 63 more than the correct answer. What is the no?

• 7

• 8

• 9

• 12

Line efficiency increases for ________ transmission voltages.

• Higher

• Lower

• Both (a) and (b)

• None of these

Which among these properties are not suitable for the conductor material?

• High electrical conductivity.

• High specific gravity.

• Lower cost.

• High tensile strength.

The synchronous motor as a synchronous condenser is used to

• Improve power factor

• Reduce hunting

• Both a & b

• none of the above

What happens if dc supply is given to the transformer?

• Transformer will work more efficiently

• It will work less efficiently

• It will work less efficiently

• Not work at all