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WorksheetsDAY 35 WORKSHEET KWA ( LIMIT Tolerance and Fit ,HYDRAULICS,PNUEM
Total questions: 12
Worksheet time: 6mins
In a hole basis system, the deviation that remains zero for the hole and all tolerance is applied on the shaft is —
F
G
H
N
A limit is given as 25 ± 0.03 mm. The actual tolerance is —
0.03 mm
0.06 mm
0.15 mm
25 mm
The correct statement regarding transition fit is —
Hole always smaller
Hole always bigger
Hole may be smaller or bigger
Shaft controls fit, not hole
Which pump is NOT used in hydraulic power systems?
Gear
Vane
Piston
Centrifugal
Which symbol group represents location tolerance (position) in GD&T?
Cylindricity
Flatness
Perpendicularity
Position
The difference between maximum and minimum permissible size of a component is called (a)
The deviation symbol ES refers to ... of a hole.
(a)
The device which stores fluid and removes heat in hydraulics is called (a)
Rare textural irregularities due to scratches or cracks are called ..
(a)
Roughness value Ra for N7 = .
(a)
Match
A. Basic size ..................... 3. Extreme permissible sizes
B. Limits of size .......................... 4. Deviation of shaft
C. Shaft basis ............................. 1. Size to which tolerance applied
D. Hole basis .......................... 2. Constant shaft size
A → 3
B → 1
C → 4 (shaft constant = shaft basis)
D → 2 (hole constant = hole basis)
A → 1
B → 3
C → 4 (shaft constant = shaft basis)
D → 2 (hole constant = hole basis)
A → 1
B → 3
C →2 (hole constant = hole basis)
D → 4 (shaft constant = shaft basis)
A → 1
B → 4
C → 3
D → 2 (hole constant = hole basis)
Match
A. Reservoir ............................ 3. Controls direction only
B. DCV (Directional Control Valve) ............................. 4. Removes solid impurities
C. Filter ................................ 1. Stores energy
D. Roughness grade N7 ............................ 2. 0.8 µm
A → direction control → correct is 3
B → stores & cools fluid → correct is 1 (not 3)
C → removes contaminants → correct is 4
D → N7 = 1.6 µm (NOT 0.8)
A → direction control → correct is 3
B → stores & cools fluid → correct is 1 (not 3)
C → N7 = 1.6 µm (NOT 0.8)
D → removes contaminants → correct is 4
A → stores & cools fluid → correct is 1 (not 3)
B → direction control → correct is 3
C → N7 = 1.6 µm (NOT 0.8)
D → removes contaminants → correct is 4
A → stores & cools fluid → correct is 1 (not 3)
B → direction control → correct is 3
C → removes contaminants → correct is 4
D → N7 = 1.6 µm (NOT 0.8)
