SS Technical Meet

Which of the following safety device of Conveyor Belt is shown ?

• ZSS

• Belt Sway Switch

• Pull Cord

• Rip Detection Switch

Waste Gas fan of Sinter Plant serves the following purpose?

• It creates suction head up to 170 mbar

• This creates a flow between Sinter bed and ESP

• makes the combustion air flow from the top of the sinter bed to bottom

• All of the above

English engineer Richard Clyburn is credited with inventing this device in 1842. It is also called “English Key”. Although it has a wide range of application but not safe to use due to its accident prone nature. It has one fixed and one movable jaw.

• Bench Vice

• Slide Spanner

• Line Tester

• Screw Driver

Ductile iron, also known as ductile cast iron, nodular cast iron or more frequently as SG iron. SG stands for.

• SPHEROIDAL GRAIN

• SEMI GRANULAR

• SOLID GRAIN

• SPHEROIDAL GRAPHITE

10 Micron is equal to?

• 0.10 mm

• 0.01 mm

• 0.001 mm

• None

This is a two-lead semiconductor light source. It is a p–n junction diode that emits light when activated

• LCD

• LED

• CFL

• LVDT

VIDAR test kit is used to monitor the health of

• Vacuum interrupter

• Oil circuit breaker insulation

• Low Resistance

• Low voltage

Maximum level of Acidity (mg KOH/g) accepted in power transformer oil is

• 0.03

• 0.10

• 0.50

• 5

As per SMP of OIL FILLED TRANSFORMER >= 5MVA  SSTG/SMP/ELEC/0001, which of the following parameters of Oil sample Testing  of Transformer are to be done.

• Tan Delta at 90 deg. C

• DGA

• Moisture Content

• All of the above

As per High Voltage AC MOTOR SMP SSTG/SMP/ELEC/0005 Stator Insulation Resistance (IR) should be

• > 10 M Ohm

• > 50 M Ohm

• >100 M Ohm

• >200 M Ohm