Homework Answers
we have ' large brass pin to be fitted in a steel block' so we should cool the pin (so that it should contract) and heat the block (so that it should expand)...
Not "Heat the pin (it becomes more large by expansion) and cool the block (it becomes more short)"...This will create more problem to you instead.
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#Hi, if you are happy and find this useful please thumbs up. In case if you have any query regarding the solution please let me know in the comments section below. We can discuss. Thanks!!
3. Calculate the maximum temperature of a brass pin with 20 mm x 20 mm cross...
3. Calculate the maximum temperature of a brass pin with 20 mm x 20 mm cross section sliding on a AISI 1095 steel disk at a relative velocity of 1 mm/s and a high stress of 2 GPa in the dry condition (u = 0.22). Assume that the entire surface of the brass pin contacts the steel surface. Mechanical and thermal properties of the two materials are given below: Material Bulk hardness (GPa) Thermal diffusivity (mm/s) Thermal conductivity (W/m K)...
2) The rigid bar CDE is attached to a pin support at E and rests on...
2) The rigid bar CDE is attached to a pin support at E and rests on the 30-mm diameter brass cylinder BD. A 22-mm-diameter steel rod AC passes through a hole in the bar and is secured by a nut which is snugly fitted when the temperature of the entire assembly is 20°C. The temperature of the brass cylinder is then raised to 50°C while the steel rod remains at 20°C. Assuming that no stresses were present before the temperature...
2) The rigid bar CDE is attached to a pin support at E and rests on...
2) The rigid bar CDE is attached to a pin support at E and rests on the 30-mm diameter brass cylinder BD. A 22-mm-diameter steel rod AC passes through a hole in the bar and is secured by a nut which is snugly fitted when the temperature of the entire assembly is 20°C. The temperature of the brass cylinder is then raised to 50°C while the steel rod remains at 20°C. Assuming that no stresses were present before the temperature...
2. A nominal hole size of .6250 inch diameter and a RC6 class fit has been...
2. A nominal hole size of .6250 inch diameter and a RC6 class fit has been selected. Calculate the hole and shaft sizes and their tolerances. 3. A nominal hole size of 12 mm diameter and a H7/k6 class fit has been selected. Calculate the hole and shaft sizes and their tolerances
7. Find the maximum and minimum diameters for a hole-and-shaft pair with an LC-2 fit. The...
7. Find the maximum and minimum diameters for a hole-and-shaft pair with an LC-2 fit. The nominal diameter is 1-3/4".
USE THIS ILLUSTRATION BELOW FOR DYNAMIC PARTITIONING QUESTIONS Hole 4 Hole 1 20K Hole 2 12K...
USE THIS ILLUSTRATION BELOW FOR DYNAMIC PARTITIONING QUESTIONS Hole 4 Hole 1 20K Hole 2 12K Hole 3 10K Hole 5 40K Hole 6 15K Hole 7 18K Hole 8 14K 22K Request 1 24K Request Request Request 2 3 4 10K 14K 18K DYNAMIC PARTITIONING SCHEME QUESTION (check the illustration provided) Which hole is taken for each successive segment request if we use BEST FIT algorithm. Use this format for the answer: request # - hole #. Sample answer:...
A 1/2 inch drill bit is too large for a job, while a 3/8 inch bit is too small
A 1/2 inch drill bit is too large for a job, while a 3/8 inch bit is too small. What size bit should be tried next? 7/16 *** 5/16 **** 3/16 9/16 is this correct
Step 2 What is the total power received by the detector from a small, deep hole...
Step 2
What is the total power received by the detector from a small,
deep hole drilled in the block, in W?
Step 3
What is the reflectivity of the block surface?
Step 4
What is the radiosity of the surface, in W/m2?
Step 5
What is the total power received by the detector from the small
area on the block surface, in W?
A small anodized aluminum block at 45°C is heated in a large oven whose walls are...
Please I need answers to these questions, thanks. brass ball gets so that it gets stuck...
Please I need answers to these questions, thanks.
brass ball gets so that it gets stuck in the ring. I've measured a similar piece of equipment. At room temperature (23 °C) the diameter of the ball is 1.90 cm and the inner diameter of the ring is 1.92 cm. How hot does the ball have to get in order for the ball to just get stuck? Hint: think of the diameter of the ball as a linear dimension, and find...
.Suppose you want to drill a 2-in. thick plate of cast steel (0.4%C), 4-in. diameter hole....
.Suppose you want to drill a 2-in. thick plate of cast steel (0.4%C), 4-in. diameter hole. An indexable HSS insert drill has been selected. Consider the table below, select the appropriate cutting speed, feed rate. Calculate the spindle speed (rpm), the feed rate (in/min), the MRR, and cutting time. Assume the cutting process will be performed in3 steps using 3 drills sizes in sequence 1”, then 2”, then 4”. Calculate the cutting total cutting time, considering a proper allowance each...
3. Calculate the maximum temperature of a brass pin with 20 mm x 20 mm cross section sliding on a AISI 1095 steel disk at a relative velocity of 1 mm/s and a high stress of 2 GPa in the dry condition (u = 0.22). Assume that the entire surface of the brass pin contacts the steel surface. Mechanical and thermal properties of the two materials are given below: Material Bulk hardness (GPa) Thermal diffusivity (mm/s) Thermal conductivity (W/m K)...
2) The rigid bar CDE is attached to a pin support at E and rests on the 30-mm diameter brass cylinder BD. A 22-mm-diameter steel rod AC passes through a hole in the bar and is secured by a nut which is snugly fitted when the temperature of the entire assembly is 20°C. The temperature of the brass cylinder is then raised to 50°C while the steel rod remains at 20°C. Assuming that no stresses were present before the temperature...
2) The rigid bar CDE is attached to a pin support at E and rests on the 30-mm diameter brass cylinder BD. A 22-mm-diameter steel rod AC passes through a hole in the bar and is secured by a nut which is snugly fitted when the temperature of the entire assembly is 20°C. The temperature of the brass cylinder is then raised to 50°C while the steel rod remains at 20°C. Assuming that no stresses were present before the temperature...
7. Find the maximum and minimum diameters for a hole-and-shaft pair with an LC-2 fit. The nominal diameter is 1-3/4".
USE THIS ILLUSTRATION BELOW FOR DYNAMIC PARTITIONING QUESTIONS Hole 4 Hole 1 20K Hole 2 12K Hole 3 10K Hole 5 40K Hole 6 15K Hole 7 18K Hole 8 14K 22K Request 1 24K Request Request Request 2 3 4 10K 14K 18K DYNAMIC PARTITIONING SCHEME QUESTION (check the illustration provided) Which hole is taken for each successive segment request if we use BEST FIT algorithm. Use this format for the answer: request # - hole #. Sample answer:...
Step 2
What is the total power received by the detector from a small,
deep hole drilled in the block, in W?
Step 3
What is the reflectivity of the block surface?
Step 4
What is the radiosity of the surface, in W/m2?
Step 5
What is the total power received by the detector from the small
area on the block surface, in W?
A small anodized aluminum block at 45°C is heated in a large oven whose walls are...
Please I need answers to these questions, thanks.
brass ball gets so that it gets stuck in the ring. I've measured a similar piece of equipment. At room temperature (23 °C) the diameter of the ball is 1.90 cm and the inner diameter of the ring is 1.92 cm. How hot does the ball have to get in order for the ball to just get stuck? Hint: think of the diameter of the ball as a linear dimension, and find...
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