Q:

Slip rings are usually made of

A) Aluminium	B) Copper
C) Phosphor Bronze	D) Carbon

Answer & Explanation Answer: C) Phosphor Bronze

Explanation:

A Slip ring is a ring in a dynamo or electric motor which is attached to and rotates with the shaft, passing an electric current to a circuit via a fixed brush pressing against it.

Slip rings are usually made of Phosphor Bronze.

Slip ring motors usually have a 'phase-wound' rotor. This type of rotor has a 3-phase, double-layer, distributed winding consisting of coils used in alternators. The rotor core is made up of steel laminations which have slots to accommodate formed 3-single phase windings.

slip_rings_are_usually_made_of1535005379.png image

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 4268

Q:

What is a Safe State and what is its use in deadlock avoidance?

Answer

When a process requests an available resource, system must decide if immediate allocation leaves the system in a safe state. System is in safe state if there exists a safe sequence of all processes. Deadlock Avoidance : ensure that a system will never enter an unsafe state.

Workspace

Report Error

View answer Workspace Report Error Discuss

Subject: Operating Systems

0 4266

Q:

The software development life cycle begins with a proof of concept and progress into the build, test, and acceptance phases as the project develops. Some times, differences between stakeholders can develop into conflict, which impacts the customer. As a trained, professional project manager, how do you handle this situation and resolve the customer's concerns?

A) Let the customer vent and take notes	B) Schedule a meeting
C) Develope a change request for the customer	D) Resolve the matter in favour of the customer

Answer & Explanation Answer: D) Resolve the matter in favour of the customer

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: PMP Certification

0 4266

Q:

_________ is known as the Queen of the Arabian Sea?

A) Cochin	B) Mumbai
C) Mangalore	D) Surat

Answer & Explanation Answer: A) Cochin

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Indian Geography

10 4264

Q:

The famous hill-station Kodaikanal lies in

A) Palani hills	B) Javadi hills
C) Nilgiri hills	D) Cardamom hills

Answer & Explanation Answer: A) Palani hills

Explanation:

The famous hill-station Kodaikanal lies in Palani hills.

Report Error

View Answer Report Error Discuss

Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

0 4263

Q:

In isotopes the number of neutrons are

A) same	B) different
C) both	D) none

Answer & Explanation Answer: B) different

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

3 4263

Q:

What are the rungs of the DNA ladder made of?

A) phosphates and sugars	B) nitrates and sugars
C) nitrates and phosphates	D) sugars and hydrates

Answer & Explanation Answer: C) nitrates and phosphates

Explanation:

The rungs or the sides of the DNA ladder is made of Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA i.e, A sugar (deoxyribose) and a phosphate.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

0 4263

Q:

N.R. Narayana Murthy was recently presented with the 2014 'Global India Award' in Canada. He is the executive chairman of which of the following companies?

A) Infosys	B) Wipro
C) IBM	D) TCS

Questions

Quick Links