Question
Asked Sep 15, 2019
75 views
  1. What is the tap drill for a 3/4-10 UNC-2B thread?
check_circle

Expert Answer

Step 1

The united thread series is classified into coarse threads, fine threads and extra fine threads. The symbol UNC denotes unified coarse pitch threads. The threads are further divided into two categories with three classes of fit.

  • External threads – Class 1A, 2A and 3A.
  • Internal threads – Class 1B, 2B and 3B.
Step 2

The tap drill size can be obtained for the given thread using a tap drill chart if ...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Engineering

Mechanical Engineering

Related Mechanical Engineering Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: 7.66 Referring to the discussion of Sec. Z.6.2 as required, evaluate the exergetic efficiency for ea...

A: a)Write the expression for exergetic efficiency for the turbine.

question_answer

Q: Calculate the change in water pressure from the surface to a depth of 5m. Is this just (9.81m/s^2)(5...

A: Gauge pressure:It is the pressure which is evaluated with reference to the atmospheric pressure. Her...

question_answer

Q: A ball is thrown vertically upward with an initial position is so= 10 m. The maximum height reached ...

A:  Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the questio...

question_answer

Q: Water flows through a pipe at an average temperature of T∞ = 70°C. The inner and outer radii of the ...

A: Determine the heat flux at the outer surface of the pipe.

question_answer

Q: True or False: There is only one layout allowed in a drawing file.

A: The sheet set manager consists of multiple sheets. The drawing file created by the sheet set manager...

question_answer

Q: 4.53. Heat-Transfer Area and Use of Log Mean Temperature Difference. A reaction mix- ture having a c...

A: Specific heat of reaction mixture cpm = 2.85 kJ/kg.KMass flow rate of reaction mixture mh = 7260 kg/...

question_answer

Q: Question 4 Derive the equations of the deflection curve for a simple beam AB loaded by a couple (4 1...

A: Write the bending moment equation.

question_answer

Q: True or False: Objects on a layer that is frozen can be seen but not modified.

A: The AutoCAD will hide the objects in the particular layer upon freezing it.Thus the objects in froze...

question_answer

Q: What is the tap drill for a ½-20 UNF-2B thread?

A: The united thread series is classified into coarse threads, fine threads and extra fine threads. The...