Mining Engineering > GATE 2017 > Mine Safety
In an underground coal mine a driller, wearing personal protective equipment, was going to workplace along the travelling roadway. A piece of rock fell down from the roof and hit the person on head causing serious injury. The cause of accident is
A
unsafe act of the driller
B
job stress
C
unsafe act and unsafe condition
D
unsafe condition

Explanation

Correct : d

Similar Questions

What is the worst-case time complexity of insertion in an AVL tree?
Question #23 Medium
Which operations on a binary search tree have O(h) complexity?
Question #31 Easy
Compare search complexities of sorted array vs balanced BST.
Question #47 Hard

Related Topics

Data Structures Binary Search Tree Time Complexity Algorithm Analysis Tree Algorithms Computer Science