English
Hindi

Question

Download Solution PDF

A bolt of M 24 × 2 means that: 

This question was previously asked in
ISRO VSSC Technical Assistant Mechanical 7 April 2012 Official Paper
Download PDF Attempt in App
View all ISRO Technical Assistant Papers >
  1. 2 means that the pitch of the thread is 24 mm and depth is 2 mm 
  2. Cross-sectional area of the threads is 24mm2
  3. The nominal dia of bolt is 24 mm and pitch is 2 mm
  4. The effective diameter of bolt is 24 mm and there are 2 threads per cm

Answer (Detailed Solution Below)

Option 3 : The nominal dia of bolt is 24 mm and pitch is 2 mm
Free Tests
View all Free tests >
Free
ISRO Technical Assistant Mechanical Full Mock Test
80 Qs. 80 Marks 90 Mins
Start Now

Detailed Solution

Download Solution PDF

Explanation:

Designation of bolts:

∴ M 24 × 2 means the nominal diameter of bolt is 24 mm and pitch is 2 mm

Download Solution PDF
Latest ISRO Technical Assistant Updates

Last updated on May 30, 2025

-> The ISRO Technical Assistant recruitment 2025 notification has been released at the official website. 

-> Candidates can apply for ISRO recruitment 2025 for Technical Assistant from June 4 to 18.

-> A total of 83 vacancies have been announced for the post of Technical Assistant.

-> The Selection process consists of a written test and a Skill test.

-> Candidates can also practice through ISRO Technical Assistant Electrical Test Series, ISRO Technical Assistant Electronics Test Series, and ISRO Technical Assistant Mechanical Test Series to improve their preparation and increase the chance of selection. 

Exams Tests Super Practice

More Design of Screw and Nut Questions

Q1.A fastener is threaded into a tapered hole, then the fastener is likely to be called as
Q2.A bolt of M 24 × 2 means that: 
Q3.In screw threads drawing, SQ 40 × 3 indicates:
Q4. The figure given shows the _______ type of nut.
Q5.A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

More Power Screws Questions

Q1.The efficiency of a screw jack may be increased by _______.
Q2.For self locking of screws the efficiency cannot be more than
Q3.A power screw of 32 mm nominal diameter and 5mm pitch is acted by an axial load of 12 kN with permissible thread bearing pressure is 6 MPa. Considering bearing action between the threads in engagement, what is the number of threads in engagement with the screw.
Q4.Between V-threads and Square threads transmitting power of --- threads are preferred.
Q5.What is the efficiency of a self-locking power screw?
Q6.Multistart threads are used to get
Q7.In a screw jack, the effort required to lift the load is given by: (where W = Load lifted, α = Helix angle, and φ = Angle of friction) 
Q8.A square threaded screw is used to lift a load W by applying a force F. Efficiency of square threaded screw is expressed as
Q9.The screw jack is an application of which of the following simple machines?
Q10.For applications involving high stresses in one direction only the following types of thread would be best suited
Suggested Test Series
View All >
AE & JE Mechanical Engg. Exams Previous Year Papers Mock Test
178 Total Tests with 3 Free Tests
Start Free Test
ISRO Technical Assistant 2025 Mock Test
84 Total Tests with   2 Free Tests
Start Free Test

RPSC Lecturer Tech Edu Important Links

Eligibility CriteriaSalary and Job ProfileAdmit CardSyllabus and Exam PatternAnswer KeyCut Off

More Design of Machine Elements Questions

Q1.The S-N curve in fatigue testing shows the relationship between:
Q2.What will be the average pressure in plate clutch when the axial force is 4 kN. The inside radius of the contact surface is 50 mm and the outside radius is 100 mm. Assume uniform wear. 
Q3.In case of a flat pivot bearing, which of the following options is correct about the sliding friction? 
Q4.The bearing surface provided at any position along the shaft (but not at the end of the shaft) to carry the axial thrust, is known as ____________. 
Q5.What will be the power lost in friction assuming uniform pressure theory, when a vertical shaft of 100 mm diameter rotating at 150 r.p.m. rests on a flat end foot step bearing? The coefficient of friction is equal to 0.05 and the shaft carries a vertical load of 15 KN.
Q6.A bearing is designated by the number 410. It means that it is a bearing of:
Q7.Which of the following elements is not used as a roller in roller bearings?
Q8.In 6 × 19 designation of wire rope, the numbers of 6 and 19 represent :
Q9.Which of the following statements related to rope drives is INCORRECT?  
Q10.Under steady state operation of a cone clutch, if semi-cone angle (α) decreases then _____________.
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
support@testbook.com
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Hot Links： teen patti real cash apk all teen patti game teen patti download