JSS 3 SIICOL MID TERM TEST (B.TECH)

Tree grows in how many direction?

• Four

• Three

• Two

• One

Tree grows in how many direction?

• Four

• Three

• Two

• One

Dividers are steel instruments used for scribing

• Marks

• Points

• Arcs

• Nothing

Surface table is used for supporting

• Metal work piece

• Wooden work piece

• Bigger work piece

• Smaller work piece

If a gear with 10 teeth is used to drive a gear with 20 teeth, calculate the gear ratio

• 3:1

• 2:1

• 4:1

• 1:1

A wheel fixed in machines to make different parts move at different speed or direction is

• Belt

• Gear

• Chain

• Brake

A percentage of nitrogen in the air is

• 21%

• 78%

• 1%

• 50%

A moving air is called

• Breeze

• Air

• Wind

• Flow

Belts are made of

• Wood

• Fibre

• Rubber

• Plastic

To calculate the gear ratio, which of these is correct?

• Gear ratio = driven X driver

• Gear ratio = driven + driver

• Gear ratio = driver / driven

• Gear = driven / driver