A. x++
B. ++x
C. x=x-1
D. None of these
✅ The correct answer is option A.
Engineering MCQs
What of the following is not an output of a JAD session ?
A. Context Diagrams
B. DFDs
C. ER model
D. UML diagrams
✅ The correct answer is option D.
Explanation: Unified Modeling Language (UML) diagrams are constructed during the design phase of the SDLC.
Explanation: Unified Modeling Language (UML) diagrams are constructed during the design phase of the SDLC.
In larger industrial and commercial reciprocating compression systems, refrigerent widely used is
ammonia
carbon dioxide
sulphur dioxide
R-12
✅ The correct answer is option A.
The maximum internal diameter of a blast furnace is about
3 m
6 m
9 m
12 m
✅ The correct answer is option C.
The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece, is called
up milling
down milling
face milling
end milling
✅ The correct answer is option B.
In the relation VTn = C, the value of n for ceramic tools is
0.1 to 0.2
0.20 to 0.25
0.25 to 0.40
0.40 to 0.55
✅ The correct answer is option D.
The limestone in the charge of a blast furnace decomposes to give lime and carbon dioxide. The lime thus obtained
controls the grade of pig iron
acts as an iron-bearing mineral
supplies heat to reduce ore and melt the iron
forms a slag by combin
✅ The correct answer is option D.
A column that fails due to direct stress, is called
short column
long column
weak column
medium column
✅ The correct answer is option A.
The brown smoke during the operation of a bessemer Converter indicates that the
air is burning out silicon and managanese
silicon and manganese has burnt and carbon has started oxidising
the converter must be titled to remove the contents of the converter
the brown smoke does n
✅ The correct answer is option A.
The pressure of steam __________ while flowing through a nozzle.
increases
decreases
remains constant
✅ The correct answer is option B.