Question

Determine the maximal diameter of the hole

For the fit Φ 48F7/g6 is

Answer #1

A hole and a shaft system has a nominal dimension of 30 mm with
a fit type H7h8 fit. Determine:
Fundamental Deviation of the Shaft
Fundamental Deviation of the Hole
If the nominal diameter lies within the range of 18 and 30,
find the maximum and minimum size of the hole.
Maximum and minimum size of hole
Maximum and minimum size of shaft
Width of the tolerance zone for hole and shaft

A rivet is to be inserted into a hole. If the standard deviation
of hole diameter exceeds 0.02 mm, there is an unacceptably high
probability that the rivet will not fit. A random sample of n = 15
parts is selected, and the hole diameter is measured. The sample
standard deviation of the hole diameter measurements is s =
0.016mm. At α = 0.05 conduct a hypothesis test to investigate to
indicate that the standard deviation of hole diameter exceeds...

A brass ring with inner diameter 2.00 cm and outer diameter 3.00
cm needs to fit over a 2.00-cm-diameter steel rod, but at 20
degrees Celsius the hole through the brass ring is 40 μm too small
in diameter.
To what temperature, in degrees Celsius, must the rod and ring
be heated so that the ring just barely slips over the rod?

A cylindrical pin of diameter 20 cm, made of aluminum, does not
fit through a 19.97cm circular hole in a copper plate. The pin and
the copper plate both are initially at a temperature of 110 degrees
C. At what temperature, in degrees C, does the cylindrical pin just
fit into the circular hole of the copper plate if both the plate
and the pin are cooled together?

A 0.13 inch diameter hole is punched in the bottom of a 2.1 inch
diameter can. The can is open at the top and contains 20 oz of
liquid. What is the initial velocity of the liquid coming out of
the hole? (include units with answer)

A hole in an Aluminum plate has diameter of 1.235 cm at 200C
[???= 25 × 10−6?0−1, ???= 75 × 10−6?0−1]
i. What is the diameter of the hole at 2000C?
ii. At what temperature is the diameter of the hole equal to 1.176
cm?

At 20∘C, the hole in an aluminum ring is 2.100 cm in diameter.
You need to slip this ring over a steel shaft that has a
room-temperature diameter of 2.107 cm To what common temperature
should the ring and the shaft be heated so that the ring will just
fit onto the shaft? Coefficients of linear thermal expansion of
steel and aluminum are 12×10−6 K−1 and 23×10−6 K−1
respectively.

In an interference force fit in a basic hole system, the
allowance is:
(a) zero
(b)negative
(c)positive
(d)greater than the tolerance of either the hole of the shaft
(e)equal to the nominal or basic dimension

A 2 inch diameter hole is in the side of a water tank, and it is
located 10 feet below the water level in the tank. What is the
velocity of water exiting the hole and how will the velocity of the
water exiting the hole change as the tank empties?

At 20∘C, the hole in an aluminum ring is 2.200 cm in diameter.
You need to slip this ring over a steel shaft that has a
room-temperature diameter of 2.204 cm .
To what common temperature should the ring and the shaft be
heated so that the ring will just fit onto the shaft? Coefficients
of linear thermal expansion of steel and aluminum are
12×10-6K-1 and
23×10-6K-1 respectively.
Express your answer in degrees Celsius to two significant
figures.

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