Transition fit gives:
Always clearance
Always interference
Sometimes clearance, sometimes interference
Always tight fit
Fundamental deviation is:
Drawing error
Max surface roughness
Difference between nominal and basic size
Fixed size
Which fit is denoted by H7/h6?
Loose fit
Clearance fit
Transition fit
Interference fit
Zero line in fits and tolerances represents:
Average cost
Base line for deviation
Worker skill
Surface treatment
A tolerance zone above the zero line means:
Shaft basis
Negative deviation
Positive deviation
Wrong size
Nominal size means:
Smallest size
Exact desired size
Finished size
Largest size
Limits of size define:
Exact value only
Permissible range
Tool length
Drawing scale
Allowance is the:
Total tolerance
Minimum clearance or maximum interference
Wastage of material
Blueprint change
Tolerance is equal to:
Lower limit - Upper limit
Upper limit - Lower limit
Shaft size
None of the above
A shaft size given as 50±0.01 has tolerance of:
0.01 mm
0.02 mm
50 mm
0.005 mm
Which type of fit ensures accurate guiding of parts?
Clearance
Interference
Transition
Shrink fit
Loose fits are used in:
Bearings
Assembly with movement
Press tools
Drive shafts
BIS stands for:
British International Standard
Bureau of Indian Standards
Basic Indian Sizing
Binary Inspection System
ISO stands for:
Indian Standards Organization
International Standards Organization
Industrial Safety Order
International Organization for Standardization
In limit system, IT grade defines:
Tool grade
Size of machine
Tolerance quality
Surface finish
Fit is defined as the relationship between:
Two machines
A hole and a shaft
Material and drawing
Labour and cost
A running fit is best used for:
Sliding parts
Sealed joints
Fixed couplings
Riveted plates
Shrink fit is a type of:
Running fit
Which symbol denotes basic size?
Ø
±
No symbol
Nominal size without tolerance
Which tolerance grade is used for fine machining?
IT12
IT10
IT6
IT14
What does CSR stand for in industrial drawings?
Central Shaft Radius
Customer-Specific Requirements
Constant Surface Ratio
Component Size Ratio
Customer-Specific Requirements ensure:
General tolerances are met
Standard components are used
Custom expectations are fulfilled
ISO rules are ignored
Which one is an example of a CSR?
Standard M10 bolt
Special surface finish
ISO thread
Common hole diameter
Who defines the Customer-Specific Requirements?
Production team
Design engineer
Customer
Supervisor
Customer-specific dimensions are marked as:
Dashed lines
Highlighted or boxed in drawings
Hidden lines
Section lines
