Answers
Answer:
4.2
Explanation:
The "allowance" is the difference between the maximum shaft size and the minimum hole size.
maximum shaft = C +D = 8.5 +0.1 = 8.6
minimum hole = A -B = 4.8 -0.4 = 4.4
Allowance = 8.6 -4.4 = 4.2
__
For an interference fit, the allowance is negative.
Related Questions
What are employers required to do to keep employees safe from caught-in and -between hazards from hand-held power tools?
Answers
Answer:
Employees who use hand and power tools and who are exposed to the hazards of falling, flying, abrasive and splashing objects, or exposed to harmful dusts, fumes, mists, vapors, or gases must be provided with the appropriate equipment needed, including Personal Protective Equipment, to protect them from the hazard.
Explanation:
Describe why the motion of a follower acted on by a cam is periodic motion.
Answers
A(n) ______ is used to measure fluid flow in engineering
Answers
Answer:
A pitot tube is used to measure fluid flow in engineering
An electrochemical cell is composed of pure copper and pure cadmium electrodes immersed in solutions of their respective divalent ions. For a 6.5 × 10-2 M concentration of Cd2+, the cadmium electrode is oxidized, yielding a cell potential of 0.775 V. Calculate the concentration of Cu2+ ions if the temperature is 25°C.
Answers
From the calcuation, the concentration of the copper II ion is 0.98 M.
What is an electrochemical cell?An electrochemical cell is one in which current is produced by means of a chemical reaction. In this cell, the cell reaction is;
Cd(s) + Cu^2+(aq) ----> Cd^2+(aq) + Cu(s)
E°cell = 0.34 V - (-0.40V) = 0.74 V
Using the Nernst equation;
0.775= 0.74 - 0.0592/2 log(6.5 × 10-2)/[Cu^2+]
0.775 - 0.74 = - 0.0592/2 log(6.5 × 10-2)/[Cu^2+]
0.035 = -0.0296 log(6.5 × 10-2)/[Cu^2+]
0.035 /-0.0296 = log(6.5 × 10-2)/[Cu^2+]
-1.18 = log(6.5 × 10-2)/[Cu^2+]
Antilog (-1.18) = (6.5 × 10-2)/[Cu^2+]
0.066= (6.5 × 10-2)/[Cu^2+]
[Cu^2+] = (6.5 × 10-2)/0.066
[Cu^2+] =0.98 M
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Why are specimens usually very thin slices of material.
Answers
There are withdrawn 100 ft3
of air measured at 30 psia and 90°F from a 50 ft3
tank containing air
initially at 100 psia and 140°F. What is the pressure of the air remaining in the tank if its
temperature is 130 °F?
Answers
Answer:
2+2g
what time is good afternoon my
Technician A says that a range shift is used to select high or low gear ratios within the transfer case. Technician B says that a mode shift is used to select two wheel drive or four wheel drive. Which technician is correct
Answers
Technician A says that a range shift is used to select high or low gear ratios within the transfer case is true while Technician B is false.
What is this shift about?A range shift is known to often take place when there is either high or low speed ratio of the given transfer case that is known to be selected.
Note that A range shift arrangement is known to be seen for moving a gear reduction unit that is found between a low-range operating speed and also that of a high-range operating speed.
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all of the following are ways to avoid breaking a bolt when removing it except:
select one:
a. using penetrating oil with bolts that are rusted or corroded in place.
b. applying maximum force in both directions.
c. first checking whether it is a left-hand bolt.
d. as a last resort, you may heat up the bolt that is rusted or corroded in place.
Answers
All of these are good ideas to remove a bolt, except for applying the maximum force in both directions.
What is a bolt?It is a metallic long bar that is used in multiple objects and machines to fasten two or more elements together.
How to remove a bolt?Bolts are removed using tools such as a 6-point wrench and applying force either to the left or right depending on the bolt. Moreover, rusted bolts need to be carefully removed to avoid breaking them down.
In this way, techniques such as using oil, checking if it is a left-hand bolt, and heating the bolt are valid. However, it is not a good idea just apply maximum force in any direction because this is likely to break the bolt.
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A company intends to market a new product and it estimates that there is a 20% chance that it will be first in the market
and this will give 2 million dollar revenue in its first year. However, if it is not the first in the market it will only be .5 million.
What is the EMV?
Answers
The EMV - Ending Market Value is given as:
$2,400,000.
The EMV is given as:
BMV x (i + r); Where
BMV is the Beginning Market Value; and
r is the interest rateor percentage given.
Hence the EMV = 2,000,000 x ( 1 + 20%)
= 2,000,000 x 1.2
= $ 2, 400,000.
It is to be noted that the BMV is the Beginning Market Value which is the value of an investment at the start of the business period.
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An iron–constantan thermocouple is to be used to measure temperatures between 0 and 400°C. What will be the non-linearity error as a percentage of the full-scale reading at 100°C if a linear relationship is assumed between e.m.f. and temperature? e.m.f. at 100°C = 5.268 mV, e.m.f. at 400°C = 21.846 mV
Answers
Answer:
-0.89%
Explanation:
Assuming a proportional relationship between EMF and Celsius temperature, the measured value of EMF at 100 °C will be interpreted as a temperature of ...
T/5.268 = 400/21.846
T = 5.268(400/21.846) ≈ 96.457 . . . . °C
The error as a fraction of full scale is ...
(96.457 -100)/400 × 100% ≈ -0.886%
The error at 100 °C is about -0.89% of full scale.
Calculate LER for the same wing if we increase the span to 0.245 m. By increasing the span, we also increase the glider weight to 0.0523 newtons.
4.74
0.2108
0.0523
0.18
Answers
Answer:
0.2108
Explanation:
WA = 0.245 x 0.045 = 0.011025 m2. Then, LER = 0.011025/0.0523 = 0.2108.
technician A says that many port fuel-injection systems on four-cylinder engines use a simultaneous firing of injectors. Technician B says that sequential fuel injectors are timed and pulsed individually, much like the spark plugs are sequentially operated in firing order of the engine. Who is correct
Answers
In the two scenario above concerning port fuel-injection and sequential fuel injectors, only Technician b is correct.
How many injectors can be found in a 4 cylinder?A vehicle often has one fuel injector per cylinder and if one has a four-cylinder car, it would also have four fuel injectors.
Note that Fuel-pressure regulators that are found on a port fuel-injected systems is one that often work with injector pressures that is said to be of 30 to 55 PSI.
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