Kerala PSC Previous Years Question Paper & Answer
Page:14
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Tester cum Guager - Malabar Cements Ltd' And exam conducted in the year 2024. And Question paper code was '010/2024/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
Question70:-Fitness (specific area) of 33 grade cement is
A:-300 m2 /kg
B:-225 m2 /kg
C:-400 m2 /kg
D:-285 m2 /kg
Correct Answer:- Option-A
Question71:-The substance responsible for flash setting of cement
A:-Tri calcium silicate
B:-Tri calcium aluminate
C:-Di calcium silicate
D:-Tetra calcium aluminoferrate
Correct Answer:- Option-B
Question72:-Common name of Dicalcium silicate is
A:-alite
B:-belite
C:-celite
D:-ferrite
Correct Answer:- Option-B
Question73:-White clinker contains
A:-76% alite 15% belite 7% tri calcium aluminate and 2% free lime
B:-28% alite 55% belite 2% tricalcium aluminate and 15% tetracalcium
alumino ferrite
C:-76% alite 5% belite 2% tricalcium aluminate 16% tetracalcium alumino
ferrite and 1% free lime
D:-None of these
Correct Answer:- Option-A
Question74:-Which of the following statements is incorrect ?
(i) Alumina imparts quick setting property to the cement
(ii) Excess magnesia will increase the strength of the cement
(iii) caso, slows down or retards the setting action of cement
A:-(i), (ii) and (iii) are correct statements
B:-(i) and (ii) are correct (iii) incorrect
C:-(i) and (iii) are correct and (ii) is incorrect
D:-(i) is incorrect (ii) and (iii) are correct
Correct Answer:- Option-C
Question75:-Standard consistency test for cement is done by using
A:-Le-Chatelier's apparatus