On hearing the emergency alarm vs If you hear the emergency alarm

Both phrases are correct, but they are used in different contexts. 'On hearing the emergency alarm' is used to describe a specific action that happens when the alarm is heard, while 'if you hear the emergency alarm' is used to talk about a hypothetical situation. They are not directly comparable as they serve different purposes.

Last updated: March 24, 2024 • 606 views

This phrase is correct and commonly used in English to describe a specific action that occurs when the emergency alarm is heard.

"On hearing the emergency alarm"

This phrase is used to indicate a response or action that takes place immediately after hearing the emergency alarm.

Show examples from the web [+]

Apart from the emergency alarm (see Section 4.2.12) no specific provisions are prescribed for passengers to contact train crew or ground control.
The general emergency alarm systems shall be audible on all open decks and minimum sound pressure levels for the emergency alarm tone shall be in accordance with paragraphs 7.2.1.2 and 7.2.1.3 of the LSA Code.
Signs indicating the box which contains the resetting equipment of the emergency alarm
I feel joy on hearing the merits of a man whose exploits justify the inclination I once had for him.
On the subject of Africa I would also like to tell you, honourable Members, of my sadness on hearing the news about the Bulgarian nurses, as previous speakers have mentioned.
- An emergency alarm is on.
Slightly deaf, he insisted on hearing the absurd:
We would have expected a greater increase, but on hearing the arguments put forward by Mrs Jeggle and other MEPs we supported the package of compromise amendments that talks of a voluntary increase of just 2%.
That emergency alarm is to be used...
.3.8 A general emergency alarm system shall be provided.
And if the louvres are up for more than 40 seconds at night, the civil emergency alarms are tripped.
A general emergency alarm system (R 6.4.2)
.1 A general emergency alarm system (R 6.4.2)
First, representing as I do the North of France, a region which has lost tens of thousands of textile industry jobs, I must express the deep sorrow felt by workers in that industry on hearing the announcement of further redundancies.
You guys got - an emergency alarm here?
Public address & general emergency alarm system
Emergency alarm, operating instructions, training manual, muster lists and emergency instructions.
.1 A general emergency alarm system (R 6.4.2)
Public address and general emergency alarm system
It's not the lie-down-on-the-ground alarm, it's the weather-related-emergency alarm.

This phrase is also correct and commonly used in English to talk about a hypothetical situation where the emergency alarm is heard.

"If you hear the emergency alarm"

This phrase is used to discuss a potential scenario where the emergency alarm is heard and what actions might be taken in response to it.

Show examples from the web [+]

Apart from the emergency alarm (see Section 4.2.12) no specific provisions are prescribed for passengers to contact train crew or ground control.
If you are at home when you hear the warning signal, send any children to the fallout room immediately.
'so if you need me, when you hear the beep just leave a message.
The general emergency alarm systems shall be audible on all open decks and minimum sound pressure levels for the emergency alarm tone shall be in accordance with paragraphs 7.2.1.2 and 7.2.1.3 of the LSA Code.
And if you think that was the most exciting day of my life, wait till you hear the rest.
I'm about to explain, so if you'd remain silent Until you hear the full story, I'd appreciate it.
Look, if - if you hear the whole story, you won't like me anymore.
If you go to Palestine, as you do, you hear the criticism.
Signs indicating the box which contains the resetting equipment of the emergency alarm
If you wish to keep your job, when you hear the whistle, please move to a new coloured disc.
And if you hear the safe word, stop what you're doing immediately.
I can hear the emergency floodlight batteries recharging.
Wait until you hear the conversation I had with your mother today.
So, when you hear the music, that's your cue.
You wait till you hear the music.
Don't follow until you hear the all-clear.
Irma, you hear the woman of the house.
Don't stop talking when you hear the radio.
When you hear the roar of the motor...
You're on Baker when you hear the shots.

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On hearing the emergency alarm vs If you hear the emergency alarm