MEK Exit Exam • Set 1 Question 13 of 30
A "BOLT" has
✓
Direct Answer
Option B: Hexagonal head and threads at other end
A bolt is a fastener characterized by external screw threads and typically a hexagonal head, designed to be inserted through unthreaded holes in assembled parts and secured by a nut. It is not a threaded rod or a screw with a slotted head.
All Options
A
Thread at both ends
B
Hexagonal head and threads at other end
(Correct Answer)
C
Double pitch threads
D
Slotted head and threads at other end
Detailed Explanation & Context
A bolt is a fastener characterized by external screw threads and typically a hexagonal head, designed to be inserted through unthreaded holes in assembled parts and secured by a nut. It is not a threaded rod or a screw with a slotted head.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Marine Engineering Knowledge (MEK).
Advertisement
Practice Full MEK Set 1
Test yourself with 30 interactive questions, live timer, and instant score.