Machinst Grinder 2nd Sem Module 9 n 10 Special Grinding Machines

What type of foundation is required for grinding machines?

• Light foundation
• Medium foundation
• Sound foundation
• Ordinary foundation

What is the depth of concrete base for larger grinding machines foundation?

• Minimum 2 feet
• Minimum 3 feet
• Minimum 4 feet
• Minimum 5 feet

What is the device used for alignment of bed while erecting the machines?

• Straight edge
• Try square
• Precision level or optical instruments
• Steel rule

What type of belt to be used in precision grinder?

• Flat belt
• 'V’ belt
• Link belt
• Toothed belt

Which machine can only be operated sucessfully after cleanliness and lubrication?

• Bench grinder
• Flexible grinder
• Precision grinder
• Angle grinder

What is the period of time for thorough cleaning of machine?

• Once in fitften days
• Once a week
• Once a month
• Once in two months

How many days once coolant container to be cleaned and mud removed in grinding machines?

• Every six or seven days once
• Every two or three days once
• Every four or five days once
• Every five or six days once

What is the normal operating temperature of bearing?

• 130°F
• 120°F
• 140°F
• 150°F

Who does the overhaul of machine?

• Machinists
• Turners
• Machine tool fitters
• Tool and die makers

What is the period for overhauling of a machine?

• Once in three months
• Once a year
• Once in six months
• Once in nine months