Top 1000+ Solved Non Destructive Testing and Evaluation MCQ Questions Answer
Q. According to ASMT E709-95 alternating current electromagnetic yokes should give alifting force of at least:
a. 1.5 kg
b. 2.5 kg
c. 3.5 kg
d. 4.5 kg
Q. According to ASTM E709-95 direct current electromagnetic yokes should have a liftingforce of at least:
a. 15 kg
b. 16 kg
c. 17 kg
d. 18 kg
Q. According to ASTM E709-95 the UV light shall be centred on (1 Å = 10-10m):
a. 3000Å
b. 3250 Å
c. 3400Å
d. 3650 Å
Q. According to ASTM E709-95 when fluorescent particles are used, the UV lightintensity shall be above:
a. 700 µW/cm2
b. 800 µW/cm2
c. 900 µW/cm2
d. 1000 µW/cm2
Q. According to ASTM E709-95 when fluorescent particles are used, the bulb shall bewarmed up prior to use for at least:
a. 1 min
b. 2 min
c. 3 min
d. 4 min
Q. According to ASTM E709-95 with prod technique, the prods shall be tipped if theopen circuit voltage is over:
a. 10 V
b. 15 V
c. 20 V
d. 25 V
Q. According to ASTM E709-95 the viscosity limit (measured in centi Stokes) of the wetmedium (conditioned water) should not exceed:
a. 1 cSt
b. 3 cSt
c. 6 cSt
d. 4 cSt
Q. According to ASTM E709-95 the alkalinity of conditioned water shall not exceed:
a. 10.0 pH
b. 10.5 pH
c. 11.0 pH
d. 11.5 pH
Q. According to ASTM E709-95, with wet continuous magnetization technique, theduration of magnetization current is of the order of:
a. 0.5 sec
b. 1.0 sec
c. 1.5 sec
d. 2.0 sec
Q. According to ASTM E709-95 in using prods having a spacing of 19 mm (3/4 inches)and above, the magnetizing current shall be:
a. From 90 to 110 A/25 mm (1 inch)
b. From 100 to 125 A/25 mm (1 inch)
c. From 90 to 120 A/ 25 mm (1 inch)
d. From 100 to 200 A/25 mm (1 inch)
Q. According to ASTM E709-95 powder shall be applied upon the part to be tested insuch a manner that:
a. A light uniform coating is formed
b. In excess coating
c. All of the above
d. None of the above
Q. According to ASTM E709-95 before turning off current and examination, dry powderin excess shall be:
a. Removed by a dry-air current
b. Kept in place
c. All of the above
d. None of the above
Q. According to ASTM E709-95 demagnetization can be performed by:
a. Decreasing alternating current
b. Reversing direct current
c. All of the above
d. None of the above