What is the mass and free drop, respectively, of rammer in the standard proctor test, as per IS 2720 - Part 7 - 1980?

This question was previously asked in
DDA JE Civil 01 Apr 2023 Shift 2 Official Paper
View all DDA JE Papers >
  1. 4.2 kg and 410 mm
  2. 2.6 kg and 310 mm
  3. 4.9 kg and 450 mm
  4. 3.6 kg and 350 mm

Answer (Detailed Solution Below)

Option 2 : 2.6 kg and 310 mm
Free
DDA JE Civil Full Mock Test
7.1 K Users
120 Questions 120 Marks 120 Mins

Detailed Solution

Download Solution PDF

Explanation:

(i)The Indian Standard Equivalent of the Standard Proctor Test is called the light compaction test (IS: 2720 Part VII - 1974).

(ii) The Indian Standard Equivalent of the Modified Proctor Test is called the heavy compaction test (IS: 2720 Part VIII - 1983).

In compaction test:

Property

IS light compaction test

IS Heavy Modified compaction test

 Weight of hammer 

2.6 kg

4.9 kg

Number of Layers

3

5

Number of blows

25

25

Hight of fall

310 mm

450 mm

Volume of mould

1000 cc

1000 cc

Latest DDA JE Updates

Last updated on May 28, 2025

-> The DDA JE Recruitment 2025 Notification will be released soon.

-> A total of 1383 vacancies are expected to be announced through DDA recruitment.

-> Candidates who want a final selection should refer to the DDA JE Previous Year Papers to analyze the pattern of the exam and improve their preparation.

-> The candidates must take the DDA JE Electrical/Mechanical mock tests or DDA JE Civil Mock tests as per their subject.

Get Free Access Now
Hot Links: teen patti joy 51 bonus teen patti gold online teen patti gold downloadable content