Conventional RT Question & Answers_Specific

1. RADIOGRAPHY TESTING
LEVEL-II
Page 1 of 4
SPECIFIC
(Solve question 1 to 5 according to given documents)
1. Hole type IQIs shall be manufactured and identified in accordance with
requirements or alternates allowed in:
a. SE-1815
b. SE-1128
c. SE-1025
d. SE-747
2. For judging the film density
a. Survey-meter shall be used
b. Densitometer or step wedge comparison film shall be used
c. High power illuminator shall be required’
d. Dosimeter shall be used
3. In ASTM wire type IQIs 0.063 inch diameter wire comes in Group....
a. A
b. B
c. C
d. D
4. What will be the geometrical unsharpness if , source size is 1.5 mm, distance from
source side of weld to the film is 8 mm and source to object distance is 10 inch?
a. 0.0582 mm
b. 0.582 mm
c. 0.0472 mm
d. 0.472 mm
5. Whichis not requires to prepare Radiograph Review Form
a. Date of manufacture’s evaluation
b. Identification of the manufacturer’s representative
c. Name of the person whotaken the Radiographic exposure
d. Listing of each radiograph location
6. The penetrameter is used to measure...
a. Size of discontinuity
b. Contrast of radiograph
c. Quality of radiograph
d. Amount of radiation that penetrates the job
7. Porosity indication on radiograph willgenerally appeared as
a. White round
b. Elongated dark
c. Rounded and dark
d. Elongated with folded ends
8. Ionization chamber used for
a. Low radiation area
b. High radiation area
c. Both a & b
d. Can be used for Alpha & Beta particles only

2. RADIOGRAPHY TESTING
LEVEL-II
Page 2 of 4
9. Thulium range forradiography is
a. Upto 31/2 inch steel
b. Upto 2 inch steel
c. Upto 11/2 inch steel
d. Less than ½ inch steel
10. Calculate the Ug of the defect “A“ located at 1 inch from top surface of 3inch block
using the source size of 2 mm and SFD of 24 inch...
a. 0.18 mm
b. 0.19 mm
c. 0.25 mm
d. 0.28 mm
11. When taking the radiograph 1-2T quality level an ASTM penetrameter for2.5 inch
thick jobhas a thickness of.....
a. 25 Thou
b. 2.5 inch
c. 5 Thou
d. 50 “
12. A special form of scatter due to X-Ray diffractioneffectsin specimen with large grain
will results in
a. A radiograph withpoor contrast
b. A radiograph of mottled appearance
c. A badly fogged radiograph
d. A radiograph withpoor resolution
13. A scintillation counter photomultiplier tube is convertionizing radiation into...
a. Photoelectron
b. Light photon
c. Electronic charge
d. None of the above
14. A maximum dose permitted on surface of the radioactive package meant for
transportation is
a. 0.5 mR/hr
b. 50 Mr/hr
c. 200 mR/hr
d. 2 mR/hr

3. RADIOGRAPHY TESTING
LEVEL-II
Page 3 of 4
15. When viewing the radiograph, image of the cassette superimposed on the image of
the specimen is noted. This most likely due to...
a. Undercut
b. Backscatter
c. Overexposure
d. X-Ray intensity toohigh
16. Calculate the exposure time forsteel
Given: Panoramic technique,
Source Ir-192 -20 curie
Film density-2,
Film factor-1.5 R,
Object dimension OD-350mm, ID-300mm
a. 66 secs
b. 44 secs
c. 22 secs
d. Can’t be determine by above data
17. The purpose of fixation is
a. To remove all undeveloped silver salt of the emulsion
b. To leaved the developed silver as a permanent image
c. To harden the gelatine
d. All of the above
18. The roentgen is equivalent of _______ radin air
a. 100
b. 0.01
c. 0.83
d. 1.15
e. None of the above
19. A sheet of lead with a opening cutting the shape of part to be radiographed may be
used to decrease the effector scattered radiation whichundercuts the specimen
called as
a. Mask
b. Filter
c. A back scatter absorber
d. A lead foil screen
20. SI unit of dose equivalent is
a. Coulomb/Kg
b. Sievert
c. Gray
d. Becquerel

4. RADIOGRAPHY TESTING
LEVEL-II
Page 4 of 4
1. c 11. a
2. b 12. b
3. c 13. b
4. c 14. c
5. c 15. b
6. c 16. a
7. c 17. d
8. c 18. c
9. d 19. a
10. a 20. b