Question { RRB, 27560 }

What is power factof?

Answer

PF= Active power/apparent power

Inductive load causes lagging current and lagging laffing
power factor

Capacitive load leading current and leading power factor

Question { 4118 }

What is virtual reality? & What is Walkthrough?

Answer

Virtual reality (VR)
A technology which allows a user to interact with a
computer-simulated environment, be it a real or imagined
one. Virtual Reality enables heritage sites to be recreated
extremely accurately, so that the recreations can be
published in various media.

Walkthrough
The term is often employed in the software industry (see
software walkthrough) to describe the process of inspecting
algorithms and source code by following paths through the
algorithms or code as determined by input conditions and
choices made along the way.

Question { 10572 }

what is quality assurance?

Answer

Quality assurance, or QA for short, is providing evidence
needed to establish quality in work.

Question { RRB, 51242 }

what r the types of transmission line?

Answer

Two types 1)Primary Transmission and 2)Secondary
Transmission

Question { Manhattan, 22362 }

What is the unit of vaccum?

Answer

mmHg or inchHg

Question { Electrotherm, 30927 }

why transformer is giving some humming noise .....?

Answer

Humming noise in transformer is due to MAGNETOSTRICTION
which causes change in length of core as per the density of
flux