HVAC interview questions

*DP FLOW METER*
1. Flow hits restriction
2. Pressure drops
3. DP = higher flow
4. Transmitter reads DP → calculates flow #Instrumentation

TOP 20 IMPORTANT SAFETY FULL FORMS

PPE → Personal Protective Equipment

HSE Health, Safety & Environment

EHS → Environment, Health & Safety

Permit to Work PTW

JSA Job Safety Analysis

HIRA Hazard Identification & Risk Assessment

LOTO Lockout/Tagout

MSDS Material Safety Data Sheet

SDS Safety Data Sheet

ERP Emergency Response Plan

TBT Toolbox Talk

Gearbox Failure Reasons

A gearbox may fail due to various mechanical, operational, and maintenance-related reasons.